The barracudina genera Lestidium and Lestrolepis of Taiwan, with descriptions of two new species (Aulopiformes: Paralepididae)
Author
Ho, Hsuan-Ching
Author
Tsai, Song-Yu
Author
Li, Hsing-Hui
text
Zootaxa
2019
2019-12-04
4702
1
114
139
journal article
24736
10.11646/zootaxa.4702.1.16
10af4964-439d-4779-8b95-d6f695f6c018
1175-5326
3562745
DC33157E-E5E9-4CE2-AB3F-27E22F21A954
Lestidium
Gilbert, 1905
Lestidium
Gilbert, 1905:607
(
type
species:
Lestidium nudum
Gilbert, 1905
).
Diagnosis.
Body scaleless, except for the lateral line covered by a single row of scales; luminescent duct present, unbranched, originating from throat before the eye or under opercle; no light organ in front of eye; a luminescent duct along lower margin of orbit in some species; DFO from slightly before to well behind VFO; ventral adipose fin well developed between anus and anal fin; dorsal-fin rays 10; pectoral-fin rays 12–14; anal-fin rays 26–33; ventral adipose well-developed; vertebrae: prehaemal 36–41 and total 79–93. Dorsal surface light grayish to very dark; ventral ridge between pectoral and pelvic fins with pigments or not.
Remarks.
The genus currently comprises five species,
Lt. atlanticum
from Atlantic Ocean,
Lt. bigelowi
from Indian Ocean,
Lt. nudum
from Hawaii,
Lt. orientale
sp. nov.
from
Taiwan
and
Japan
; and
Lt. prolixium
from the western Pacific Ocean. Two other species from the western Pacific Ocean is being studied in a separated work (Ho, unpub. data). The generic status of
Lt. bigelowi
is still doubtful.