Pachystomias microdon, Smalltooth dragonfish

Pachystomias microdon (Günther, 1878)

Smalltooth dragonfish
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Pachystomias: Greek, pachys = fat + Greek, stoma = mouth (Ref. 45335).
More on author: Günther.

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

Marine; bathypelagic; depth range 660 - 4000 m (Ref. 74511). Deep-water; 50°N - 37°S, 65°W - 154°W

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

Eastern Atlantic: scattered records from 50°N-31°N, then between 16°N-18°S and from 28°S-37°S but not taken close to the continent south of the equator. Western Atlantic: scattered records from 40°N-13°N. Also known from the Indian and Pacific oceans. South China Sea (Ref.74511).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 22.1 cm SL male/unsexed; (Ref. 4468)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 20 - 24; Anal spines: 0; Anal soft rays: 23 - 28. Body moderately elongated, slightly compressed. Snout shorter than eye. Jaws slender, gape slightly curved upward. Barbel slender, tapering without a bulb. Velvety dark brown to black (Ref. 37473).
Body shape (shape guide): elongated.

Biology     Glossary (e.g. epibenthic)

Meso- (Ref. 27000) and bathypelagic (Ref. 58302).

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

Main reference Upload your references | References | Coordinator | Collaborators

Gibbs, R.H. and M.A. Barnett, 1990. Melanostomiidae. p. 308-337. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4468)

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

  Least Concern (LC) ; Date assessed: 20 May 2013

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 | National databases | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |