Humpbacked coralbrotula (Diancistrus altidorsalis) fish species and information / pictures of Humpbacked coralbrotula - Diancistrus altidorsalis

Humpbacked coralbrotula (Diancistrus altidorsalis) fish species information

Scientific Name
Diancistrus altidorsalis

Common Name
Humpbacked coralbrotula

Biology
Dorsal soft rays (total): 76-85; Anal soft rays: 59 - 68; Vertebrae: 43 - 45. Diagnosis: Vertebrae 11+32-34=43-45, dorsal fin rays 76-85, anal fin rays 59-68; eyes large (at least 2.5% SL); outer pseudoclasper large, broad, ear-lobe shaped; inner pseudoclasper a fleshy appendix at the anterior-inner rim of the outer pseudoclasper, without supporter; large scale patch on operculum above opercular spine (6?9 scales) and 1 to 3 isolated scales below opercular spine; head profile strongly ?high-necked / hump-backed?; color yellow in live specimens (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 Pacific

Distribution

Western Pacific: Indonesia, New Guinea, Sabah to the Solomons, including Sta. Cruz Islands.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 15 - 20 m (Ref. 57884)

Trophic Level

3.31 s.e. 0.53 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

10.2 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 (20 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