Nicaragua gizzard shad (Dorosoma chavesi) fish species and information / pictures of Nicaragua gizzard shad - Dorosoma chavesi

Nicaragua gizzard shad (Dorosoma chavesi) fish species information

Scientific Name
Dorosoma chavesi

Common Name
Nicaragua gizzard shad

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 24 - 30. Body moderately deep; belly with 15 to 18 + 9 to 12 scutes. Mouth relatively large; lower jaw comparatively long, upper jaw reaching to vertical from eye center. Last dorsal fin ray long, but less than distance from snout tip to pelvic fin base; anal fin moderately long. Scales small, somewhat irregular. A dark spot behind gill opening. Gill rakers fine and numerous.

Classification

Classified By
Meek, 1907
Class
Ray-finned fishes (Actinopterygii)
Order
Herrings (Clupeiformes)
Family
Herrings, shads and sardines (Clupeidae)

Distribution

Region
Central America
Distribution
Central America: Nicaragua (lakes Managua and Nicaragua and affluent streams or rivers) and Costa Rica.
Range
14°N - 11°N

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
Trophic Level
3.4 s.e. 0.45 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
18.0 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
Fisheries: subsistence fisheries
Vulnerability
Low vulnerability (23 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