Pohnpei coralbrotula (Diancistrus pohnpeiensis)

Scientific name: Diancistrus pohnpeiensis Schwarzhans, M?ller & Nielsen, 2005

Pohnpei coralbrotula (Diancistrus pohnpeiensis)

The Pohnpei coralbrotula (Diancistrus pohnpeiensis) is a marine fish of the family Bythitidae.

Biology

Dorsal soft rays (total): 83-85; Anal soft rays: 66 - 69; Vertebrae: 45 - 46. The species is characterized by the following: vertebrae 11+34-35=45-46, dorsal fin rays 83-85, anal fin rays 66-69; very large eyes (>3.0% SL), D/V 6; outer pseudoclasper large, more than twice the length of inner pseudoclasper, wing-shaped, with moderately narrow base and strongly expanded tip with fleshy bulge; inner pseudoclasper joined to outer pseudoclasper anteriorly, thin, with single sharply pointed tip, slightly extending over anterior part of outer pseudoclasper; moderately broad scale patch on cheek with 5-6 scale rows on upper cheek, 2-3 scales on operculum above opercular spine (1 row); the head massive; otolith moderately slender, length to height ratio 1.9-20.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Diancistrus pohnpeiensis
Family
Bythitidae (Viviparous brotulas)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
8.2
Depth range
27–46 m (89–151 ft)
Environment
Marine; reef-associated; depth range 27 - 46 m
Climate
Tropical
Distribution
Central Pacific: apparently endemic to the Pohnpei State, Micronesia. Appears to be allopatric with Diancistrus eremitus (from Hermit and Stewart Is. And Fiji further south) and with Diancistrus mennei (from Marshall and possibly Kiribati).
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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