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💧 Freshwater Least Concern 🌡️ Tropical

Acestrorhynchus Grandoculis

Acestrorhynchus grandoculis Menezes & Géry, 1983
Max Length
10.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Acestrorhynchus Grandoculis (Acestrorhynchus grandoculis), first described by Menezes & Géry, 1983 is a small fish in the family Acestrorhynchidae (order Characiformes). Adults typically reach 10.80 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
Acestrorhynchus grandoculis
Authority
Menezes & Géry, 1983
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
10.8 cm
Trophic Level
3.8
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Presence of a minute, dark spot behind the operculum; scales on lateral line 77-87; scale rows between the lateral line and the base of the dorsal fin 16-17; large eye 31.1-38.6% HL; short snout 26.3-33.3% HL .: elongated.

🌀 Behaviour

Behavioural data for Acestrorhynchus Grandoculis 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 South America: Negro, Orinoco, and Amazon River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.8±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.07 (TL)
Max TL
10.8cm

🌡️ 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
15.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Menezes & Géry, 1983

👥 Community & Contribute

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