Opistognathus abei, Abe’s jawfish

Opistognathus abei Fujiwara & Ikeda, 2024

Abe’s jawfish
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); abei: Name 'abei' in honor of Mr. K. Abe for his assistance in collecting the type specimens of the new species.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 25 - 26 m (Ref. 132462). Temperate

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: Japan.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 2; Anal soft rays: 13; Vertebrae: 28. This species is distinguished from its congeners by the following set of characters: posterior end of upper jaw rigid, without flexible lamina; D XI, 13; A II, 13; gill rakers 8 + 16 or 17 = 24 or 25; vertebrae 10 + 18 = 28; longitudinal scale rows ca. 40-43; lateral line terminating below 2nd or 3rd soft ray of dorsal fin; cephalic sensory pores comparatively poorly developed, head sparsely covered with small cephalic pores; scales above lateral line absent; body scales absent anterior to vertical below 6th or 7th dorsal-fin spine base; vomerine teeth absent; 3rd infraorbital (Ref. 132462).
Body shape (shape guide): elongated; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Fujiwara, K. and Y. Ikeda, 2024. Description of a new species of Opistognathus (Perciformes: Opistognathidae) from the southern Japan Sea. Ichthyol. Res.: 1-8. (Ref. 132462)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Trophic ecology
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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |