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💧 Freshwater Least Concern 🌡️ Tropical

Otothyris Travassosi

Otothyris travassosi Garavello, Britski & Schaefer, 1998
Max Length
3.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.4
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Otothyris Travassosi (Otothyris travassosi), first described by Garavello, Britski & Schaefer, 1998 is a tiny fish. Adults typically reach 3.20 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 Least Concern.

Scientific Name
Otothyris travassosi
Authority
Garavello, Britski & Schaefer, 1998
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3.2 cm
Trophic Level
2.4
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Otothyris
Otothyris
Species
Otothyris Travassosi
Otothyris travassosi

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 6. With 16-21 premaxillary and 13-18 dentary teeth on each jaw element; 2 or more series of ventrally downturned odontodes on anteroventral rostral margin; supraoccipital odontode crests short, low, orbit small, diameter less than infraorbital depth; abdomen with 2-3 paired lateral plates; pair of preanal platelets preceded by 2 or more additional platelets, with small naked areas between platelets; unbranched caudal-fin rays banded; large brown blotch on median caudal-fin rays, two dark brown oblique bars on caudal fin.: elongated.

🌀 Behaviour

Behavioural data for Otothyris 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; demersal. Tropical South America: Atlantic coast of southeastern Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.4±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.06 (TL)
Max TL
3.2cm
Dorsal Rays
8
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.4
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Garavello, Britski & Schaefer, 1998

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