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Diadromous Near Threatened 🌡️ Tropical

Ira's snook

Centropomus irae Filho, Oliveira, Soares & Araripe, 2019
Max Length
53.6 cm
Max Weight
Lifespan
Trophic Level
4
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
Depth Zone
reef

📖 Overview

This species was observed in the more saline waters, close to the outlet channel of the lagoon to the sea, as confirmed by local fishermen. It was also found in the center of the lagoon. None of the specimens collected from the lagoon were preserved, and these were lost, but a picture of the largest individual (53.55 cm SL) was taken .

Scientific Name
Centropomus irae
Authority
Filho, Oliveira, Soares & Araripe, 2019
Habitat
Diadromous
Climate
Tropical
IUCN Status
NT
Max Length
53.6 cm
Trophic Level
4
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 6. This species is distinguished from its congeners by the following cahracters: brown-colored lateral line; mean interorbital width 4.1% of SL (vs. 5.2-6.9%); mean snout length 8.9% of SL (vs. 9.8-11.1%); mean orbit diameter 4.5% of SL (vs. 5.4-7.3%); mean mandible length 15.7% of SL (vs. 19.9-21.6%); differs from C. undecimalis by the number of circumpedancular scales 18-22, usually 19-21 (vs. 22-28, usually 24-27) .Cross section: compressed.

🌀 Behaviour

Behavioural data for Ira's snook is currently being reviewed.

🦐 Diet

Diet information for Ira's snook is currently being compiled.

🥚 Reproduction

Reproduction data for Ira's snook is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Trophic Level
4±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.06 (TL)
Max TL
53.6cm
Dorsal Spines
9
Dorsal Rays
10
Anal Spines
3
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Tropical
Described By
Filho, Oliveira, Soares & Araripe, 2019

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