Mexican river gizzard shad (Dorosoma anale) fish species and information / pictures of Mexican river gizzard shad - Dorosoma anale

Mexican river gizzard shad (Dorosoma anale) fish species information

Scientific Name
Dorosoma anale

Common Name
Mexican river gizzard shad

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 17 - 38. Body moderately deep; belly with 18 + 10 or 11 scutes. Mouth small, inferior; lower jaw short. Last dorsal fin ray long, about equal to distance snout tip to about mid-pectoral fin; anal fin long. Scales small, somewhat irregular. A dark spot behind gill opening. Gill rakers fine and numerous.

Classification

Classified By

Meek, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

North America

Distribution

North America: Mexico (R?o Papaloapan in southern Veracruz and Oaxaca) southward to northern Guatemala (R?o Ucumacinta basin). Reported from Belize (Ref. 30499).

Range

21°N - 14°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; brackish; pelagic

Trophic Level

3.4 s.e. 0.45 Based on food items.

Occurs in Marine / Salt water

False

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

20.0 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 to moderate vulnerability (25 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