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💧 Freshwater Least Concern 🌡️ Temperate

Hitch

Lavinia exilicauda Baird & Girard, 1854
Max Length
36 cm
Max Weight
Lifespan
6 yrs
Trophic Level
2.1
Depth
Climate
Temperate
Resilience
Low
Vulnerability
48.00/100
Typical Length
25 cm
Depth Zone
demersal

📖 Overview

Adults occur in lakes, ponds, sloughs, backwaters and sluggish sandy pools of small to large rivers .

Scientific Name
Lavinia exilicauda
Authority
Baird & Girard, 1854
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
36 cm
Lifespan
6 years
Trophic Level
2.1
Resilience
Low
Vulnerability
48.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10 - 13; Anal soft rays: 11 - 13. Body deep and compressed; caudal peduncle tapering to narrow; caudal fin large; lateral line strongly decurved; head small, compressed, mouth terminal (slightly upturned); dorsal-fin origin behind pelvic-fin origin; scales on lateral line 54-62; dorsal fin with 10-13 rays; anal fin with 11-13 rays; pharyngeal teeth 0,5-4,0 or 0,5-5,0; brown-yellow above, scales on back and silver side darkly outlined (crosshatched pattern on small individuals); fins dusky; and small specimens with black caudal spot .: fusiform / normal.

🌀 Behaviour

Behavioural data for Hitch is currently being reviewed.

🦐 Diet

Diet information for Hitch is currently being compiled.

🥚 Reproduction

Reproduction data for Hitch is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Temperate; 41°N - 36°N North America: Sacramento-San Joaquin, Clear Lake, Russian River, and Pajaro-Salinas river drainages in California, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2.1±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.03 (TL)
Max TL
36cm
Dorsal Rays
12
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
48.00/100
Moderate-High vulnerability
Trophic Level
2.1
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Baird & Girard, 1854

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Hitch
🌍CES lavinie kalifornská
🇷🇺Russian Длиннохвостая лавиния

Scientific Synonyms

Scientific Name Author Year Status
Endemichthys grandipinnis Hopkirk 1974 Synonym
Lavinia ardesiaca Snyder 1913 Synonym
Lavinia compressa Ayres 1854 Synonym
Lavinia exilicauda chi Hopkirk 1974 Synonym
Lavinia harengus Girard 1856 Synonym
Leucosomus occidentalis Baird & Girard 1854 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 29 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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