Nielsen's mudbrotula (Dermatopsis joergennielseni) fish species and information / pictures of Nielsen's mudbrotula - Dermatopsis joergennielseni

Nielsen's mudbrotula (Dermatopsis joergennielseni) fish species information

Scientific Name
Dermatopsis joergennielseni

Common Name
Nielsen's mudbrotula

Biology
Dorsal soft rays (total): 76-85; Anal soft rays: 51 - 58; Vertebrae: 44 - 46. The species is characterized by the following: vertebrae 13-14 + 30-32 = 44-46, dorsal fin rays 76-85, anal fin rays 51-58; body with scales; posterior infraorbital pores 3; ventral spine on maxilla positioned behind rear of eye; single pair of pseudoclaspers straight, spiny, short, about half the length of penis, without fleshy appendices; otolith with rounded posterior tip and weak postdorsal angle, otolith length to height ratio 2.0, sulcus with nearly fused 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
Southwest Pacific
Distribution
Southwest Pacific: New Zealand.
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
17 m
Zone
demersal
Environment
Marine; demersal; depth range 5 - 17 m (Ref. 57886)
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
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
5.2 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 (11 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