California grunion (Leuresthes tenuis) fish species and information / pictures of California grunion - Leuresthes tenuis

California grunion (Leuresthes tenuis) fish species information

Scientific Name
Leuresthes tenuis

Common Name
California grunion

Biology
Adults inhabit inshore waters, usually at or near surface along open coast and in bays (Ref. 36497). Oviparous, with planktonic primarily neustonic larvae (Ref. 36497). Eggs are deposited in the sand at night by the female parent (Ref. 58332) just below the high spring tide line (Ref. 36497). Minimum depth reported taken from Ref. 57178.

Classification

Classified By
Ayres, 1860
Class
Ray-finned fishes (Actinopterygii)
Order
Silversides (Atheriniformes)
Family
Neotropical silversides (Atherinopsidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Monterey Bay, USA to Baja California Sur, Mexico.
Range
38°N - 25°N

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
18 m
Zone
pelagic-neritic
Environment
Marine; pelagic-neritic; depth range 0 - 18 m (Ref. 2850)
Trophic Level
3.06 s.e. 0.44 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
19.0 cm
Common Length
Unknown 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
Fisheries: minor commercial
Vulnerability
Low to moderate vulnerability (29 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4; k >0.30; tm=1.5)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated