Hoese's mudbrotula (Dermatopsis hoesei) fish species and information / pictures of Hoese's mudbrotula - Dermatopsis hoesei

Hoese's mudbrotula (Dermatopsis hoesei) fish species information

Scientific Name
Dermatopsis hoesei

Common Name
Hoese's mudbrotula

Biology
Dorsal soft rays (total): 67-77; Anal soft rays: 46 - 53; Vertebrae: 40 - 43. The species is characterized by the following: vertebrae 11-14 + 27-31 = 40-43, dorsal fin rays 67-77, anal fin rays 46-53; no scales on the head and body; posterior nostril large, about half size of eye; lower preopercular pore large, about size of posterior nostril or larger; weak spine on maxilla positioned behind rear tip of eye; single pair of pseudoclaspers curved, expanded and paddle-like, longer than penis, without fleshy appendices; otolith with pointed posterior tip and concavity above and massive postdorsal angle, otolith length to height ratio 1.9-2.0, sulcus with divided colliculi (Ref. 57886).

Classification

Classified By

M?ller & Schwarzhans, 2006

Class

Ray-finned fishes (Actinopterygii)

Order

Cusk eels (Ophidiiformes)

Family

Viviparous brotulas (Bythitidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: SE Australia, south of the Great Barrier Reef, chiefly along the shores of New South Wales.

Range

29°S - 37°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

4 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - 4 m (Ref. 57886)

Trophic Level

3.18 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

4.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 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