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💧 Freshwater Least Concern 🌡️ Tropical

Brown sucker catfish

Otothyris lophophanes Eigenmann & Eigenmann, 1889
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Brown sucker catfish (Otothyris lophophanes), first described by Eigenmann & Eigenmann, 1889 is a tiny fish. Adults typically reach 2.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Otothyris lophophanes
Authority
Eigenmann & Eigenmann, 1889
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.8 cm
Trophic Level
2.5
Vulnerability
10.00/100
Water Temp
20–24 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Otothyris
Otothyris
Species
Brown sucker catfish
Otothyris lophophanes

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 6. : elongated.

🌀 Behaviour

Behavioural data for Brown sucker catfish 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; pH range: 6.0 - 7.0; dH range: 10 - 15. Tropical; 20°C - 24°C South America: Atlantic coastal streams of Rio de Janeiro, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.5±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.06 (TL)
Max TL
2.8cm
Dorsal Rays
8
Anal Rays
6

🌡️ Water Parameters & Tolerance

Temperature Range
20–24°C
pH Range
6–7
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
2.5
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Eigenmann & Eigenmann, 1889

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