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💧 Freshwater Least Concern 🌡️ Tropical

Attonitus Irisae

Attonitus irisae Vari & Ortega, 2000
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Attonitus Irisae (Attonitus irisae) is a ray-finned fish of the family Stevardiidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 4.6 cm. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Attonitus irisae
Authority
Vari & Ortega, 2000
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
4.6 cm
Trophic Level
2.8
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 14 - 20. The possession of a dark, vertically elongate humeral bar in mid-sized and larger specimens or the presence of a diffuse patch of chromatophores in that region in the smaller individuals examined distinguishes Attonitus irisae from Attonitus bounites and Attonitus ephimeros. Dorsal fin with 2 unbranched and 8 branched ray. Anal fin with 3 unbranched and 14-17, most commonly 15-16, branched rays (Ref 53400).

🌀 Behaviour

Behavioural data for Attonitus Irisae is currently being reviewed.

🦐 Diet

Diet information for Attonitus Irisae is currently being compiled.

🥚 Reproduction

Reproduction data for Attonitus Irisae is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Aguaytia and Pachitea rivers in the Ucayali River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00776 × L3.1 (TL)
Max TL
4.6cm
Dorsal Rays
10
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Vari & Ortega, 2000

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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