Tonga coralbrotula (Diancistrus tongaensis)

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

Tonga coralbrotula (Diancistrus tongaensis)

The Tonga coralbrotula (Diancistrus tongaensis) is a marine fish of the family Bythitidae.

Biology

Dorsal soft rays (total): 71-80; Anal soft rays: 57 - 66; Vertebrae: 39 - 42. This species is characterized by the following: vertebrae 11+(28)29-31=(39) 40-42, dorsal fin rays 71-80, anal fin rays 57-66; small eyes (1.3-2.3% SL); outer pseudoclasper with large ear-lobe extension, ventrally opening; inner pseudoclasper free from outer pseudoclasper, with supporter, forming a broad, distally expanded, not inclined flap, with short thorn; narrow scale patch on cheek, no scales on operculum; head profile slender; otolith length to height ratio 1.9-2.0.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Diancistrus tongaensis
Family
Bythitidae (Viviparous brotulas)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
4.5
Depth range
1–10 m (3–33 ft)
Environment
Marine; reef-associated; depth range 1 - 10 m
Climate
Tropical
Distribution
Central Pacific: New Caledonia to southern Vanuatu, Fiji, Tonga and Samoa; tentatively Santa Cruz Islands (Vanikolo), Vanuatu (Banks Islands), Phoenix Islands (Kiribati), Wallis Island and Tahiti.
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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