Acropoma argentistigma, a new species from the Andaman Sea, off southern Thailand (Perciformes: Acropomatidae)
A new acropomatid fish from the Andaman Sea, off southern Thailand, distinguished from all other congeners by the combination of the following characters: a short U-shaped luminous gland, 16–18 gill rakers, anus situated about midway along depressed pelvic fin.
Acropoma profundum, a New Species of Lanternbelly (Teleostei: Perciformes: Acropomatidae) from the Solomon Islands
- M. Okamoto
- 25 May 2014
Acropoma profundum is the deepest-living species of its genus, and the smallest in size at sexual maturity, from the Solomon Islands.
Pelagic Juveniles of Two Morids (Teleostei: Gadiformes: Moridae), Antimora microlepis and Physiculus japonicus, from the Western North Pacific
Pelagic juveniles of two morids, Antimora microlepis Bean, 1890 and Physiculus japonicus Hilgendorf, 1879, were collected by midwater trawl (0–20m depth) from transition waters between the Oyashio…
A new species of the deepwater clingfish genus Kopua (Gobiesociformes: Gobiesocidae) from the East China Sea—an example of antitropicality?
A new species of deepwater clingfish, Kopua japonica sp. nov., is described from the East China Sea. It is distinguished fromthe other members of the genus by anal and dorsal fin ray counts and a…
Three new species of the genus Acropoma (Perciformes: Acropomatidae) from the Indian Ocean
Three new species of Acropoma are described from the Indian Ocean, which clearly differ from A. japonicum in the shape and length of the luminous gland, counts of pectoral-fin rays and scales between first dorsal-fin base and lateral line, and other diagnostic characters.
Descriptive morphology of pelagic juvenile of Lepidion inosimae (Gadiformes: Moridae) collected from off northeastern Japan
- M. Okamoto, Yoshirô Watanabe, T. Asahida
- Biology, Environmental ScienceIchthyological Research
- 26 January 2009
A pelagic juvenile of Lepidion inosimae was collected by midwater trawl from the transition waters between the Kuroshio and Oyashio fronts off northeastern Japan, the first report of early life stages in the genus Lepidions.
Description of a postflexion larva specimen of Liopropoma japonicum from off Izu Peninsula, Japan
Three tribes of serranids, Liopropomini, Diploprionini, and Grammistini, are defined by Baldwin and Johnson (1993) as a monophyletic group of the subfamily Epinephelinae. The most salient feature of…
Description of a Pelagic Juvenile Specimen of Gadella jordani (Actinopterygii : Gadiformes : Moridae) from Southern Japan, with a Note on the Color in Life
The morphology of this specimen is described and a color photograph of it in life is presented, the first report of any early life stage in this species.
Two new species of the genus Epigonus (Perciformes: Epigonidae) from the South Pacific, with a definition of the Epigonus constanciae group
- M. Okamoto
- BiologyIchthyological Research
- 26 July 2012
14 species of the genus Epigonus are characterized by having a pungent opercular spine, more than 40 pored lateral-line scales to end of hypural, and dorsal-fin rays VII-I, 8–10.
Development and distribution of the early life stages of the longfin pearleye Benthalbella linguidens (Aulopiformes: Scopelarchidae) in the western North Pacific
These occurrences of larvae and juveniles in the western North Pacific indicate that B. linguidens spawns in Kuroshio waters in winter and uses transition waters as nursery grounds, and is distinguished from those of other species of Benthalbella that inhabit the North Pacific by the characters.