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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Characidium Travassosi

Characidium travassosi Melo, Buckup & Oyakawa, 2016
Max Length
5.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Characidium Travassosi (Characidium travassosi) is a ray-finned fish of the family Crenuchidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.6 cm. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Characidium travassosi
Authority
Melo, Buckup & Oyakawa, 2016
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
5.6 cm
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 35 - 37. This species can be distinguished from its congeners by having naked isthmus (except C. helmeri) with 15-18 principal caudal-fin rays (vs. 19 princial caudal-fin rays) and 10-12 total pectoral-fin rays (vs. 13 or more total pectoral-fin rays). It differs from C. helmeri by the following set of characters: having a slender body; tip of pectoral fin not reaching origin of pelvic fin; tip of pelvic fin not reaching beyond anus, presence of well developed supraorbital; vertically elongated dashes on sides of body absent; and higher number of pored lateral-line scales .Cross section: oval.

🌀 Behaviour

Behavioural data for Characidium Travassosi 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: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.08 (TL)
Max TL
5.6cm
Vertebrae
36

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Melo, Buckup & Oyakawa, 2016

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