Arrowhead shovelnose (Sorubim trigonocephalus) fish species and information / pictures of Arrowhead shovelnose - Sorubim trigonocephalus

Arrowhead shovelnose (Sorubim trigonocephalus) fish species information

Scientific Name
Sorubim trigonocephalus

Common Name
Arrowhead shovelnose

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 6; Anal soft rays: 19 - 22; Vertebrae: 58. Distinguished from its congeners by the following combination of characters: snout very elongated, triangular or arrowhead shaped in dorsal and ventral view; exposed portion of premaxillary tooth patch as long as wide (Ref. 57983).

Classification

Classified By
Miranda Ribeiro, 1920
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Long-whiskered catfishes (Pimelodidae)

Distribution

Region
South America
Distribution
South America: Madeira and Tapaj?s River basins, two Amazon tributaries.
Range
Unknown

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
4.14 s.e. 0.72 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
50.7 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate to high vulnerability (46 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated