Opistognathus longinaris, Long nostril jawfish

Opistognathus longinaris Smith-Vaniz, 2010

Long nostril jawfish
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Image of Opistognathus longinaris (Long nostril jawfish)
Opistognathus longinaris
Picture by South African Institute for Aquatic Biodiversity

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); longinaris: The specific name is derived from a combination of the Latin longus (long) and naris (nostril) in reference to the length of the nasal tentacle.

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

Marine; pelagic-neritic; depth range 65 - ? m (Ref. 85161). Tropical

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

Western Indian Ocean: known only from off kwaZulu-Natal, South Africa.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 85161)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 20; Anal spines: 3; Anal soft rays: 19; Vertebrae: 34. This species is characterized by the following set of characters: maxilla rigid without flexible lamina posteriorly; D X,20; tentacle on anterior nostril at least 4 times maximum diameter of posterior nostril; oral membrane between dentaries and ‘tongue’ dark brown (Ref. 85161).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Smith-Vaniz, W.F., 2010. New species of Indo-Pacific jawfishes (Opistognathus: Opistognathidae) from the Western Indian Ocean and Red Sea. Smithiana Bull. 12:39-54. (Ref. 85161)

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

  Data deficient (DD) ; Date assessed: 19 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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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 |