Northern tandan (Neosilurus gjellerupi) fish species and information / pictures of Northern tandan - Neosilurus gjellerupi

Northern tandan (Neosilurus gjellerupi) fish species information

Scientific Name
Neosilurus gjellerupi

Common Name
Northern tandan

Biology
Dorsal spines (total): 1; Dorsal soft rays (total): 6-8; Anal spines: 0; Anal soft rays: 69 - 89

Classification

Classified By
Weber, 1913
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Eeltail catfishes (Plotosidae)

Distribution

Region
Oceania
Distribution
Oceania: endemic to Papua New Guinea. There are 2 subspecies: Neosilurus gjellerupi gjellerupi from the Ramu system, southern watershed of the Sepik River and the Upper Purari system; and Neosilurus gjellerupi coatesi from the Torricelli Mountains and its foothills which form the northern watershed of the Sepik.
Range
3°S - 7°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
3.49 s.e. 0.42 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
30.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (29 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