Scientific Name
Colpichthys hubbsi

Common Name
Delta silverside

Biology
Found on sandy and muddy bottoms of coastal areas, estuaries and lagoons (Ref. 9273). Adults feed on crustaceans, gastropods, and may take in sand (Ref. 9273).

Classification

Classified By

Crabtree, 1989

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Neotropical silversides (Atherinopsidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: endemic to the Gulf of California, from the delta of the Colorado River to 31?N.

Range

32°N - 30°N

Environment

Climate

Subtropical

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; brackish; pelagic-neritic

Trophic Level

2.9300000667572 s.e. 0.43 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

15.0 cm

Common Length

11.6 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

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

Endangered (EN) (B1ab(i,ii,iii))