Vaqueira longfin herring (Opisthopterus effulgens) fish species and information / pictures of Vaqueira longfin herring - Opisthopterus effulgens

Vaqueira longfin herring (Opisthopterus effulgens) fish species information

Scientific Name
Opisthopterus effulgens

Common Name
Vaqueira longfin herring

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 50. Belly with about 29 scutes. Lower jaw projecting, mouth pointing obliquely upward; no hypo-maxilla. Pectoral fin a little longer than head; dorsal fin origin nearer to caudal fin base than to vertical from pectoral fin base by about 2 eye diameters (or behind midpoint of body by about 3 eye diameters); anal fin long, its origin much nearer to snout tip than to caudal fin base.

Classification

Classified By
Regan, 1903
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Herrings, shads and sardines (Clupeidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: known only from the R?o Vaqueira, northwest Ecuador.
Range
5°N - 0°, 82°W - 75°W

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-neritic
Environment
Marine; freshwater; brackish; pelagic-neritic
Trophic Level
3.88 s.e. 0.58 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
20.5 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5156 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 to moderate vulnerability (26 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Vulnerable (VU) (D2)