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💧 Freshwater Endangered 🌡️ Tropical

Black splitfin

Xenotoca melanosoma Fitzsimons, 1972
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Black splitfin (Xenotoca melanosoma), first described by Fitzsimons, 1972 is a small fish in the family Goodeidae (order Cyprinodontiformes). Adults typically reach 8.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Xenotoca melanosoma
Authority
Fitzsimons, 1972
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
8 cm
Trophic Level
2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Black splitfin is currently being compiled.

🌀 Behaviour

Behavioural data for Black splitfin is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical North America: Mexico.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Fitzsimons, 1972

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