<documentID-CLB-Dataset="9245"ID-DOI="http://dx.doi.org/10.3897/zookeys.1006.58874"ID-GBIF-Dataset="8e1abf1e-251f-44e4-ac88-5e89355dcf50"ID-PMC="PMC7769902"ID-Pensoft-Pub="1313-2970-1006-91"ID-Pensoft-UUID="F2938A36D6285AFAA27ED02CBC462ED2"ID-PubMed="33442320"ID-ZooBank="C3E996B700C449708431FF6B841630CE"ModsDocID="1313-2970-1006-91"checkinTime="1608594931154"checkinUser="pensoft"docAuthor="Fujiwara, Kyoji, Suzuki, Toshiyuki & Motomura, Hiroyuki"docDate="2020"docId="88B739F542C5543090387E279D6BA746"docLanguage="en"docName="ZooKeys 1006: 91-98"docOrigin="ZooKeys 1006"docPubDate="2020-12-21"docSource="http://dx.doi.org/10.3897/zookeys.1006.58874"docTitle="Egglestonichthys fulmen Fujiwara & Suzuki & Motomura 2020, sp. nov."docType="treatment"docUuid="52DCCC67-7462-446E-A2DA-078489CE92D5"docUuidSource="ZooBank"docVersion="6"id="F2938A36D6285AFAA27ED02CBC462ED2"lastPageNumber="91"masterDocId="F2938A36D6285AFAA27ED02CBC462ED2"masterDocTitle="A new species of Egglestonichthys (Teleostei, Gobiiformes, Gobiidae) from Okinawa Island, Japan"masterLastPageNumber="98"masterPageNumber="91"pageNumber="91"updateTime="1732879683512"updateUser="ExternalLinkService">
<mods:titleid="D940662FCD472F4FD3EF3C6FE907B307">A new species of Egglestonichthys (Teleostei, Gobiiformes, Gobiidae) from Okinawa Island, Japan</mods:title>
<taxonomicNameid="CEEAC9CCDCA73A1BFC07F02DA25D8DF9"LSID="http://zoobank.org/52DCCC67-7462-446E-A2DA-078489CE92D5"authority="Fujiwara & Suzuki & Motomura, 2020"authorityName="Fujiwara & Suzuki & Motomura"authorityYear="2020"class="Pisces"family="Gobiidae"genus="Egglestonichthys"higherTaxonomySource="treatment-meta"kingdom="Animalia"lsidName="Egglestonichthys fulmen"order="Perciformes"pageId="0"pageNumber="91"rank="species"species="fulmen"status="sp. nov.">Egglestonichthys fulmen</taxonomicName>
<figureCitationid="2690C96AC04513D3294CFA67B0A7D786"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">Figures 1</figureCitation>
<figureCitationid="082F1C46C1DAB20CFAF5A91960E62854"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">
<paragraphid="E260D53E4AED18A5FD07FC12378C2AD7"pageId="0"pageNumber="91">OMNH-P 43993, 21.7 mm SL, Hamahiga Island, off Okinawa Island, Ryukyu Islands, Japan, 250 m depth, 19 Sept. 2018, basket trap, K. Abe.</paragraph>
<taxonomicNameid="CC66501B9F98CED9663FBBB2509DE959"authorityName="P.J.Miller & Wongrat"authorityYear="1979"class="Pisces"family="Gobiidae"genus="Egglestonichthys"kingdom="Animalia"lsidName="Egglestonichthys"order="Perciformes"pageId="0"pageNumber="91"rank="genus">
<figureCitationid="5CCB229E41CF4F5C3FBFD917E3E27F3B"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">1</figureCitation>
) with the following combination of characters: anal-fin rays I, 9; pectoral-fin rays 17, lower rays connected by membrane; longitudinal series scales 25; transverse scales 8; pre-dorsal-fin scale rows 8; cheek and opercle naked (Fig.
<figureCitationid="D79CE5A6C8EAB42F39C5C8D9E1D9C82C"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">2B</figureCitation>
); pelvic frenum absent; caudal fin lanceolate, its length 32.2% of SL; interorbital width very narrow, 1.2% of HL (much narrower than pupil diameter) (Fig.
<figureCitationid="2314162B8BA6A07A1ED5C4EBBE20F13B"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">2A</figureCitation>
); no spicules or odontoid processes on outer surface of gill arches; and body whitish, upper half with broken zigzag pattern of bright yellow patches and associated scattered black melanophores in fresh specimens (melanophores retained in preserved specimens) (Fig.
<figureCitationid="1E92C91E7E612BEEDD0C31E79A8BEBD2"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">1A, B</figureCitation>
<taxonomicNameid="DB48F122B130EFD92B66EC3C8D0A3725"authorityName="Fujiwara & Suzuki & Motomura"authorityYear="2020"class="Pisces"family="Gobiidae"genus="Egglestonichthys"kingdom="Animalia"lsidName="Egglestonichthys fulmen"order="Perciformes"pageId="0"pageNumber="91"rank="species"species="fulmen">
<taxonomicNameid="8C8855E28E7D503D25D4BD63C27BFB89"authorityName="Fujiwara & Suzuki & Motomura"authorityYear="2020"class="Pisces"family="Gobiidae"genus="Egglestonichthys"kingdom="Animalia"lsidName="Egglestonichthys fulmen"order="Perciformes"pageId="0"pageNumber="91"rank="species"species="fulmen">
<figureCitationid="54A1C17E3F3B9003C7359C990995DBF0"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">1A, B</figureCitation>
). Anus situated just before anal-fin origin. Head short, depressed anteriorly, its width slightly greater than height. Snout short (slightly shorter than eye diameter), rounded, slightly inflated. Anterior and posterior nostrils close to each other; former located just above anterior upper lip, much larger than latter, with long membranous tube; latter located between snout tip and anterior margin of eye, small, circular. Eye moderate, located dorsolaterally. Interorbital region very narrow, flattened. Mouth terminal, anteriorly inclined obliquely upwards. Lower jaw longer than upper jaw, its posterior tip reaching back to vertical through middle of pupil. Upper-jaw tip behind vertical through lower-jaw tip. Both jaws with two or three irregular rows of small, pointed conical teeth, the tip of each slightly curved posteriorly. Gill opening wide, anteroventral point extending slightly forward to vertical level of preopercle margin, gill membranes attached anteriorly to isthmus. Preopercular and opercular margins slightly pointed and rounded, respectively, upper end of latter horizontally level with middle of eye. Gill rakers sharp, slender. Outer surfaces of gill arches lacking spicules or odontoid processes.
<figureCitationid="173700CEB1ED853FD01A1C7C1B7EB9E7"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">2</figureCitation>
). Head sensory papillae (many damaged by abrasion and unobservable) in transverse pattern on cheek (possibly more complex in undamaged condition); two rows of longitudinal papillae under head (Fig.
<figureCitationid="F36110926FDBCBC0A45628109A91C81C"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">2</figureCitation>
Body covered with relatively large cycloid scales. Pre-dorsal- and pelvic-fin regions covered with cycloid scales; anterior margin of pre-dorsal-fin scales reaching to vertical through preopercle margin; pre-pelvic-fin scales reaching to just behind anteroventral point of gill opening. Pectoral-fin base with 2 relatively large cycloid scales. Side of head (snout, suborbital region, jaws, cheek, and opercle) naked (Fig.
<figureCitationid="383C32A31D4F8BD1C0088035711E0406"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Sketches of head region of Egglestonichthys fulmen sp. nov. based on OMNH-P 43993, holotype, 21.7 mm SL. Note that sensory papillae have been abraded during capture A dorsal view B lateral view C ventral view. AN and PN indicate anterior and posterior nostrils, respectively. Arrowheads indicate anteroventral end of gill opening. Scale bar: 1 mm."figureDoi="10.3897/zookeys.1006.58874.figure2"httpUri="https://binary.pensoft.net/fig/489532"pageId="0"pageNumber="91">2</figureCitation>
<paragraphid="3480CCD1FCDC597476A865CA2966DC8A"pageId="0"pageNumber="91">First dorsal fin triangular, 2nd spine longest, all spines lacking filamentous tips; dorsal-fin origin located posterior to vertical through pectoral-fin base; all spines thin, flexible. Second dorsal and anal fins long, origin of latter under base of 1st dorsal-fin soft ray, anterior 1-3 rays of both fins somewhat short, thereafter subequal in length (longer than dorsal-fin spines), last rays well separated from caudal-fin base. Pectoral fin long, pointed, middle rays longest, tips reaching to below origin of 2nd dorsal-fin soft ray; all rays connected by membrane, uppermost and lower 3 rays unbranched. Pelvic fins completely connected by membrane, without frenum; posterior tip reaching below 2nd dorsal-fin origin when appressed; pelvic-fin origin located just below ventral end of pectoral-fin base. Caudal fin lanceolate, its length much greater than head length.</paragraph>
<figureCitationid="0A0C2AF273E3EE5BAAC65219FB888F66"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">1A</figureCitation>
). Body whitish, the upper half with a broken zigzag pattern of bright yellow patches, extending from below 1st dorsal-fin origin to caudal-fin base. Head ground color whitish with bright yellow markings comprising three and two short, poorly defined bars and stripes, respectively, on snout and under eye; 1st and 2nd bars on snout, 3rd bar connecting with two stripes under eye; indistinct grayish or yellowish markings on upper part of head (behind eye, upper part of opercle, and pre-dorsal region). Scattered black melanophores throughout bright yellow patches on head and body. Dorsal-fin rays whitish with yellow interspaces (possibly barred in undamaged specimens). Other fins whitish; upper end of pectoral-fin base with yellow spot; caudal-fin base with faint yellow vertical bar and broad rectangular patch of melanophores.
<figureCitationid="AF4D5619BA801F34D36560496A93B385"captionStart="Figure 1"captionStartId="F1"captionText="Figure 1. Holotype of Egglestonichthys fulmen sp. nov., OMNH-P 43993, 21.7 mm SL, Okinawa Island, Ryukyu Islands, Japan A fresh Fresh coloration B preserved Fresh coloration C radiograph."figureDoi="10.3897/zookeys.1006.58874.figure1"httpUri="https://binary.pensoft.net/fig/489531"pageId="0"pageNumber="91">1B</figureCitation>
<paragraphid="3679016D2C9676914C222B2E73C59BE3"pageId="0"pageNumber="91">Currently recorded only from Okinawa Island, Ryukyu Islands, Japan, from a depth of 250 m.</paragraph>
<taxonomicNameid="990F428C4873880942F4B5BB18461110"authorityName="Fujiwara & Suzuki & Motomura"authorityYear="2020"class="Pisces"family="Gobiidae"genus="Egglestonichthys"kingdom="Animalia"lsidName="Egglestonichthys fulmen"order="Perciformes"pageId="0"pageNumber="91"rank="species"species="fulmen">
The holotype and only known example of the new species lacks head sensory pores, but has a transverse sensory papillae pattern on the cheek and a wide gill opening (the anteroventral point extending slightly forward to be vertically level with the preopercle margin), thereby matching the diagnostic characters of
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<bibRefCitationid="A75C3AB46544B24328EA866C9FC9E4FD"DOI="https://doi.org/10.1111/j.1096-3642.1979.tb01114.x"author="Miller, PJ"journalOrPublisher="Zoological Journal of the Linnean Society"pageId="0"pageNumber="91"pagination="239 - 257"refId="B5"refString="Miller, PJ, Wongrat, P, 1979. A new goby (Teleostei: Gobiidae) from the South China Sea and its significance for gobioid classification. Zoological Journal of the Linnean Society 67: 239 - 257, DOI: https://doi.org/10.1111/j.1096-3642.1979.tb01114.x"title="A new goby (Teleostei: Gobiidae) from the South China Sea and its significance for gobioid classification."url="https://doi.org/10.1111/j.1096-3642.1979.tb01114.x"volume="67"year="1979">Miller and Wongrat (1979)</bibRefCitation>
<bibRefCitationid="AD41EEE19BCA30EF85EEB7C9B18C7537"DOI="https://doi.org/10.1139/z92-263"author="Winterbottom, R"journalOrPublisher="Canadian Journal of Zoology"pageId="0"pageNumber="91"pagination="1934 - 1946"refId="B8"refString="Winterbottom, R, Burridge, M, 1992. Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships. Canadian Journal of Zoology 70: 1934 - 1946, DOI: https://doi.org/10.1139/z92-263"title="Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships."url="https://doi.org/10.1139/z92-263"volume="70"year="1992">Winterbottom and Burridge (1992)</bibRefCitation>
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has spicules or odontoid processes on the outer surface of the 1st gill arch and vertical dark-margined bars on the head and body, and these are regarded as generic diagnostic characters (
<bibRefCitationid="DBC95C0EBA2C4B01C63F9FEB80A7FBEE"DOI="https://doi.org/10.1139/z92-263"author="Winterbottom, R"journalOrPublisher="Canadian Journal of Zoology"pageId="0"pageNumber="91"pagination="1934 - 1946"refId="B8"refString="Winterbottom, R, Burridge, M, 1992. Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships. Canadian Journal of Zoology 70: 1934 - 1946, DOI: https://doi.org/10.1139/z92-263"title="Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships."url="https://doi.org/10.1139/z92-263"volume="70"year="1992">Winterbottom and Burridge 1992</bibRefCitation>
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<bibRefCitationid="F0739E243A5ACFEBEF76374073B25EAF"author="Larson, HK"journalOrPublisher="aqua International Journal of Ichthyology"pageId="0"pageNumber="91"pagination="147 - 154"refId="B3"refString="Larson, HK, 2013. A new species of Egglestonichthys from northern Australian estuaries (Teleostei, Gobiidae, Gobiinae). aqua International Journal of Ichthyology 19: 147 - 154"title="A new species of Egglestonichthys from northern Australian estuaries (Teleostei, Gobiidae, Gobiinae)."volume="19"year="2013">Larson 2013</bibRefCitation>
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<bibRefCitationid="D8057802BA96D1D895128467EC81C368"DOI="https://doi.org/10.1139/z92-263"author="Winterbottom, R"journalOrPublisher="Canadian Journal of Zoology"pageId="0"pageNumber="91"pagination="1934 - 1946"refId="B8"refString="Winterbottom, R, Burridge, M, 1992. Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships. Canadian Journal of Zoology 70: 1934 - 1946, DOI: https://doi.org/10.1139/z92-263"title="Revision of Egglestonichthys and of Priolepis species possessing a transverse pattern of cheek papillae (Teleostei; Gobiidae), with a discussion of relationships."url="https://doi.org/10.1139/z92-263"volume="70"year="1992">Winterbottom and Burridge 1992</bibRefCitation>
<bibRefCitationid="0AE706D2A8D796B150B645FD4E3753CA"author="Allen, GR"journalOrPublisher="aqua International Journal of Ichthyology"pageId="0"pageNumber="91"pagination="41 - 48"refId="B1"refString="Allen, GR, Erdmann, MV, Brooks, WM, 2020. Egglestonichthys rubidus, a new species of marine goby (Pisces: Gobiidae) from Milne Bay Province, Papua New Guinea. aqua International Journal of Ichthyology 26: 41 - 48"title="Egglestonichthys rubidus, a new species of marine goby (Pisces: Gobiidae) from Milne Bay Province, Papua New Guinea."volume="26"year="2020">Allen et al. 2020</bibRefCitation>
]; and body whitish, the upper part with a broken zigzag pattern of bright yellow patches in fresh specimens, and associated black melanophores in both fresh and preserved specimens (vs. body pale to brownish with dark brown bands or blotches in fresh and preserved specimens of
both lack a pelvic frenum, the former has much lower scale counts than the latter (25 longitudinal series scales, 8 transverse scales, and 8 pre-dorsal-fin scale rows in
<bibRefCitationid="BA6BC1AC358B05BFC8F0B6359049AAF4"author="Larson, HK"journalOrPublisher="aqua International Journal of Ichthyology"pageId="0"pageNumber="91"pagination="147 - 154"refId="B3"refString="Larson, HK, 2013. A new species of Egglestonichthys from northern Australian estuaries (Teleostei, Gobiidae, Gobiinae). aqua International Journal of Ichthyology 19: 147 - 154"title="A new species of Egglestonichthys from northern Australian estuaries (Teleostei, Gobiidae, Gobiinae)."volume="19"year="2013">Larson (2013)</bibRefCitation>
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(25 vs. 31-35 and ca. 40, respectively), a lanceolate caudal fin (length 32.2% of SL), and scales absent on the cheek and opercle (vs. caudal fin truncated, and cheek and opercle with ctenoid scales in both of the latter).
