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💧 Freshwater Least Concern 🌡️ Temperate

Pirate perch

Aphredoderus sayanus Gilliams, 1824
Max Length
14 cm
Max Weight
-
Lifespan
4 yrs
Trophic Level
3.1
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
21.00/100
Typical Length
10.4 cm
Depth Zone
demersal

📖 Overview

Adults usually occur over mud in swamps, vegetated sloughs, ponds, lakes, backwaters, and quiet pools of creeks and small to large rivers (Ref 5723, 10294). Nocturnal feeders. They feed on aquatic insects, small crustaceans, and occasional small fish including their own young . Eggs in nests are guarded by both parents .

Scientific Name
Aphredoderus sayanus
Authority
Gilliams, 1824
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
14 cm
Lifespan
4 years
Trophic Level
3.1
Resilience
Medium
Vulnerability
21.00/100
Migration
Non-migratory
Water Temp
5–26 °C
Salinity
0–0.5 ppt

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Pirate perch is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Eggs in nests are guarded by both parents .

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory . Temperate; 5°C - 26°C ; 46°N - 28°N North America: Eastern and central United States.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.1±0.39
🌙 Nocturnal
Food Items

aquatic insects, small crustaceans, and occasional small fish including their own young (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3.1 (TL)
Max TL
14cm

🌡️ Water Parameters & Tolerance

Temperature Range
5–26°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Gilliams, 1824

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