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💧 Freshwater 🌡️ Tropical

Grasseichthys Zamba

Grasseichthys zamba Bragança, Iyaba & Stiassny, 2025
Max Length
1.8 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

This species inhabits densely shaded, black-water stream with a maximum depth of approximately 1.4 m and a subtrate composed of leaf litter .

Scientific Name
Grasseichthys zamba
Authority
Bragança, Iyaba & Stiassny, 2025
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
1.8 cm
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6; Anal soft rays: 7; Vertebrae: 39 - 40. This species is distinguished from its congeners by the following set of characters: higher number of vertebrae 39-40* (20* precaudal +19-20* caudal); fusion of caudal-fin hypurals 4 +5; pectoral fin 12.3%-13.7% SL; pelvic fin 10%-11.1% SL; caudal fin 18.8%-20.3% SL; head 40%-42.3% HL; eye diameter 35.5%-38.5% HL; and snout 23.1%-25.9% HL .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Grasseichthys Zamba 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

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
1.8cm
Dorsal Rays
6
Anal Rays
7
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Bragança, Iyaba & Stiassny, 2025

👥 Community & Contribute

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