Nigerian fangtooth pellonuline (Odaxothrissa mento) fish species and information / pictures of Nigerian fangtooth pellonuline - Odaxothrissa mento

Nigerian fangtooth pellonuline (Odaxothrissa mento) fish species information

Scientific Name
Odaxothrissa mento

Common Name
Nigerian fangtooth pellonuline

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 16 - 21; Vertebrae: 42 - 44. Body moderate, sometimes deep. Pre-pectoral scutes present (13-18 prepelvic with 1-2 before the base of the 1st pectoral ray; 8-10 post). First pectoral scute as long as or smaller than others lacking ascending arms. Lower jaw strongly projecting, with strong canines at symphysis. Lower gill rakers short (less than corresponding gill filaments). Silver stripe along flank. Differs from C. ansorgii by its fewer gill rakers.

Classification

Classified By
Regan, 1917
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Herrings, shads and sardines (Clupeidae)

Distribution

Region
Africa
Distribution
Africa: freshwaters (lower parts of Volta and Niger basins, also lower Benue and rivers of Cameroon; apparently not in Congo system).
Range
13°N - 2°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
pelagic
Environment
Freshwater; pelagic; potamodromous (Ref. 51243)
Trophic Level
4.29 s.e. 0.75 Based on food items.
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
13.0 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
Fisheries: subsistence fisheries
Vulnerability
Low vulnerability (16 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)