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🌊 Marine 🌡️ Subtropical

Tarr's cardinalfish

Pseudamia tarri Randall, Lachner & Fraser, 1985
Max Length
3.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
2–64 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Tarr's cardinalfish (Pseudamia tarri) is a ray-finned fish of the family Apogonidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 3.7 cm. It occurs at depths between 2 and 64 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Pseudamia tarri
Authority
Randall, Lachner & Fraser, 1985
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
3.7 cm
Depth Range
2–64 m
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 8; Vertebrae: 24. Fresh samples are translucent lavender, silvery over abdomen; head naked, except opercle with large scales. Anterior nostril in a short membranous tube with a short posterior flap. Longitudinal series, 31 scales. Convex interorbital space.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Tarr's cardinalfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner 👄 Mouth Brooder
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Distinct pairing during courtship and spawning .

🌍 Habitat & Distribution

Marine; demersal; depth range 2 - 64 m . Subtropical; 31°N - 24°N Recorded from Bird Island, Seychelles (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3.7cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
2
Anal Rays
8
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Randall, Lachner & Fraser, 1985

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