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💧 Freshwater Endangered 🌡️ Temperate

Santa Ana sucker

Pantosteus santaanae Snyder, 1908
Max Length
25 cm
Max Weight
-
Lifespan
4 yrs
Trophic Level
3
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
30.00/100
Typical Length
11.8 cm
Depth Zone
demersal

📖 Overview

Santa Ana sucker (Pantosteus santaanae), first described by Snyder, 1908 is a medium-sized fish. Adults typically reach 25.00 cm in maximum length. Reported lifespan reaches approximately 4 years. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Pantosteus santaanae
Authority
Snyder, 1908
Habitat
Freshwater
Climate
Temperate
IUCN Status
EN
Max Length
25 cm
Lifespan
4 years
Trophic Level
3
Resilience
Medium
Vulnerability
30.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Pantosteus
Pantosteus
Species
Santa Ana sucker
Pantosteus santaanae

🐟 Physical Description

Physical description for Santa Ana sucker is currently being compiled.

🌀 Behaviour

Behavioural data for Santa Ana sucker is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Temperate; 35°N - 33°N North America: Los Angeles, San Gabriel and Santa Ana River drainages in southern California, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00537 × L3.05 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Temperate
Described By
Snyder, 1908

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