Atoll coralbrotula (Diancistrus atollorum) fish species and information / pictures of Atoll coralbrotula - Diancistrus atollorum

Atoll coralbrotula (Diancistrus atollorum) fish species information

Scientific Name
Diancistrus atollorum

Common Name
Atoll coralbrotula

Biology
Dorsal soft rays (total): 72-76; Anal soft rays: 56 - 61; Vertebrae: 40 - 42. Diagnosis: Vertebrae 11+29?31=40?42, dorsal fin rays 72?76; anal fin rays 56?61; eyes small (about 2.0% SL); outer pseudoclasper deep, ear-lobe shaped, opened towards ventral; inner pseudoclasper firmly joined to outer pseudoclasper anteriorly, with supporter, forming a sharp, forward-inclined lobe; narrow scale patch on cheek, no scales on operculum; head profile slender; otolith length to height ratio >2.1 (Ref. 57884).

Classification

Classified By

Schwarzhans, M?ller & Nielsen, 2005

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Viviparous brotulas (Bythitidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Micronesian atolls, eastwards to Kiribati.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

4 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 4 m (Ref. 57884)

Trophic Level

3.21 s.e. 0.51 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

5.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (12 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated