<documentid="161850A7784437F98815ADAF0A72074F"ID-CLB-Dataset="299670"ID-DOI="10.5281/zenodo.11512126"ID-GBIF-Dataset="522b8de7-880d-40ca-803e-aa5a3a05c5f6"ID-ISSN="0068-547X"ID-Zenodo-Dep="11512126"IM.bibliography_approvedBy="carolina"IM.illustrations_approvedBy="carolina"IM.materialsCitations_approvedBy="carolina"IM.metadata_approvedBy="felipe"IM.tables_approvedBy="carolina"IM.taxonomicNames_approvedBy="carolina"IM.treatmentCitations_approvedBy="carolina"IM.treatments_approvedBy="carolina"checkinTime="1717719049762"checkinUser="felipe"docAuthor="Iwamoto, Tomio, Nakayama, Naohide, Shao, Kwang-Tsao & Table, Hsuan-Ching Ho"docDate="2015"docId="039F87BDFF961110AB64E736FD1BFCD9"docLanguage="en"docName="ProcCalifAcadSci.62.3.31-126.pdf"docOrigin="Proceedings of the California Academy of Sciences 62 (3)"docStyle="DocumentStyle:E411DA009AF5E7F9A7E023431E2B7D5B.2:ProcCalifAcadSci.2015-.journal_article"docStyleId="E411DA009AF5E7F9A7E023431E2B7D5B"docStyleName="ProcCalifAcadSci.2015-.journal_article"docStyleVersion="2"docTitle="Ventrifossa divergens Gilbert and Hubbs 1920"docType="treatment"docVersion="9"lastPageNumber="108"masterDocId="FFA6FFC5FFDA115EAB1FE201FF8EFFEA"masterDocTitle="Synopsis of the Grenadier Fishes (Gadiformes; Teleostei) of Taiwan"masterLastPageNumber="126"masterPageNumber="31"pageNumber="107"updateTime="1720664413385"updateUser="ExternalLinkService"zenodo-license-document="CC-BY-4.0">
<mods:affiliationid="62E349C2A8D8B83E628575390340845A">Section of Ichthyology, California Academy of Sciences, 55 Music Concourse Drive, San Francisco, CA 94118, USA;</mods:affiliation>
<mods:affiliationid="D39C38CC4EEEA17DD1BD0545EB84FF00">Research Center for Biodiversity, Academia Sinica No. 128, Sec. 2, Academia Road, Nankang, Taipei 115, Taiwan;</mods:affiliation>
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<bibRefCitationid="EFA74B5AFF961112A8E1E79DFF71FA24"author="IWAMOTO, T."pageId="76"pageNumber="107"refId="ref78895"refString="IWAMOTO, T. 1990. Family Macrouridae. Pages 90 - 317 in D. M. Cohen, T. Inada, T. Iwamoto, and N. Scialabba, FAO Species Catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fisheries Synopsis no. 125. FAO, Rome, Italy. 442 pp."type="book"year="1990">Iwamoto, 1990: 299–300</bibRefCitation>
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:
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:
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<taxonomicNameid="4C364D28FF971113ABE0E1B3FD1FFC2F"authority="Gilbert and Hubbs, 1920"authorityName="Gilbert and Hubbs"authorityYear="1920"box="[255,657,946,965]"family="Macrouridae"genus="Valtrifossa"kingdom="Animalia"order="Gadiformes"pageId="77"pageNumber="108"phylum="Chordata"rank="species"species="divergens">
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data with asterisk*).— 1D II,9–11(10*); P i18–i25 (21–22*);
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8*–9; total GR-I (mesial) (12*)15–18, GR-II (lat.) 14*–15(17); scale rows below 1D 10–12, below midbase 1D (10*), below 2D 8–9* (11); lateral line scales over distance equal to predorsal length (48*). Snout length (29*) 26–31% HL; preoral length (15*) 14–19%; internasal 19*–25%; interorbital (24*) 30–37%; orbit (31*) 30–38%; suborbital (11*) 13–15%; postorbital (44*) (38) 41–47%; orbit to preopercle (45*) 40–46%; upper jaw 43*–49%; barbel (28*) 26–35%; outer gill slit (19*) 24–28%. Color in alcohol silvery on sides, brown dorsally but darker anteriorly, blackish ventrally on head and trunk; lips, lower jaw and gill membranes black; leading edge of snout blackish; mouth and gill cavity as in others of genus; 1D dusky proximally, paler distally;
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dusky to black; base and axil of P black. Attains more than
<elevationid="001BD198FF971113AA97E41CFD92F9DE"box="[392,540,1565,1589]"metricMagnitude="2"metricUnit="m"metricValue="4.95"metricValueMax="8.07"metricValueMin="1.83"pageId="77"pageNumber="108"unit="m"value="495.0"valueMax="807.0"valueMin="183.0">183 to 807 m</elevation>
</quantity>
. Records of the species from s. Africa were misidentifications of a species that was subsequently described as
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) of many
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specimens, there may actually be more than one species represented in the type series. The
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78230) had several characters that appeared to be outside the normal range of other specimens. These characters include a low GR-I count of 12 total (mesial side) cf.
others examined, narrower interorbital (24% cf. 26–32%), narrower suborbital (11% cf. 13–15%); shorter upper jaw (43% cf. 43–49%); and shorter outer gill slit (19% cf. 24–28%). Other measurements appear to be at one or another extreme in the range. The relatively sharply pointed snout and high anterior dorsal profile also differ in degree with other specimens. Among other
, and so far as our limited study material allow, the two species overlap or are essentially identical in their counts and measurements. The snout in
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<taxonomicNameid="4C364D28FF941110ABECE03DFEF6FDB9"authorityName="Gilbert and Hubbs"authorityYear="1920"box="[243,376,571,595]"family="Macrouridae"genus="Valtrifossa"kingdom="Animalia"order="Gadiformes"pageId="78"pageNumber="109"phylum="Chordata"rank="species"species="divergens">V. divergens</taxonomicName>
.
</emphasis>
A more in-depth study may reveal other distinguishing characters. The overall brownish color of
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), among other characters, distinguish that species from
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<taxonomicNameid="4C364D28FF941110A835E09DFC20FD5E"authorityName="Gilbert and Hubbs"authorityYear="1920"box="[810,942,668,692]"family="Macrouridae"genus="Valtrifossa"kingdom="Animalia"order="Gadiformes"pageId="78"pageNumber="109"phylum="Chordata"rank="species"species="divergens">
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rays (9–10) and more prominent black blotches on 1D.