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💧 Freshwater Least Concern 🌡️ Tropical

Metynnis Cuiaba

Metynnis cuiaba Pavanelli, Ota & Petry, 2009
Max Length
14.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Metynnis Cuiaba (Metynnis cuiaba), first described by Pavanelli, Ota & Petry, 2009 is a small fish in the family Serrasalmidae (order Characiformes). Adults typically reach 14.30 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Metynnis cuiaba
Authority
Pavanelli, Ota & Petry, 2009
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
14.3 cm
Trophic Level
3.4
Resilience
High
Vulnerability
11.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 16 - 18; Anal soft rays: 35 - 39; Vertebrae: 38. Distinguished from other congeners by the combination of the following characters: gill rakers 22-24; scales on lateral line 100-110; scales rows above lateral line 48-56; predorsal scales 55-64; circumpeduncular scales 32-36; one or two bifurcate spines in the ventral keel; dark blotches, with ill-defined contour, sometimes forming transversal bars in the flanks . : short and / or deep.

🌀 Behaviour

Behavioural data for Metynnis Cuiaba is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.02818 × L3.09 (TL)
Max TL
14.3cm
Dorsal Rays
17
Anal Rays
37
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Pavanelli, Ota & Petry, 2009

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