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🌊 Marine 🌡️ Subtropical

California grunion

Leuresthes tenuis Ayres, 1860
Max Length
19 cm
Max Weight
-
Lifespan
8 yrs
Trophic Level
2.9
Depth
0–18 m
Climate
Subtropical
Resilience
Medium
Vulnerability
29.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

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

Scientific Name
Leuresthes tenuis
Authority
Ayres, 1860
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
19 cm
Lifespan
8 years
Depth Range
0–18 m
Trophic Level
2.9
Resilience
Medium
Vulnerability
29.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 4 - 8; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 20 - 24; Vertebrae: 47 - 50. Branchiostegal rays: 6 .: elongated.

🌀 Behaviour

Behavioural data for California grunion is currently being reviewed.

🦐 Diet

Diet information for California grunion is currently being compiled.

🥚 Reproduction

Spawn Location
Demersal
Size at Maturity
11.9cm TL

Demersal spawners. Spawn at night on sand beaches at high tides in the spring and summer. Eggs are buried in moist sand by the female parent and hatch about 15 days later during the next series of high tides . Females spawn 4 to 8 times during a season .

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 0 - 18 m . Subtropical; 37°N - 24°N, 123°W - 111°W

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00513 × L3.07 (TL)
Max TL
19cm
Dorsal Spines
6
Dorsal Rays
9
Anal Spines
1
Anal Rays
22
Vertebrae
49

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Ayres, 1860

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Atherinopsis tenuis Ayres 1860 Synonym
Leuresthes crameri Jordan & Evermann 1896 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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