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💧 Freshwater Least Concern 🌡️ Tropical

Stenolicmus Ix

Stenolicmus ix Wosiacki, Coutinho & de Assis Montag, 2011
Max Length
1.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Stenolicmus Ix (Stenolicmus ix) is a ray-finned fish of the family Trichomycteridae. It inhabits freshwater waters. This species can reach a maximum total length of 1.9 cm. With a trophic level of 3, 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
Stenolicmus ix
Authority
Wosiacki, Coutinho & de Assis Montag, 2011
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
1.9 cm
Trophic Level
3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Stenolicmus ix can be distinguished from S. sarmientoi by the length of the nasal barbels, reaching the base of the first opercular odontodes (vs. reaching anterior margin of eyes); length of maxillary barbels reaching posterior margin of opercular odontode plate (vs. reaching posterior margin of interopercular odontode plate); seven well-developed opercular odontodes (vs. six); seven well-developed interopercular odontodes (vs. five or six); pelvic fin rays, i+4 (vs. iv); color pattern of posterior region of trunk composed of agglomerated chromatophores forming circular patches twice the diameter of the eye (vs. without circular patches twice the diameter of the eye); large eyes with 11.8% HL (vs. 6%); caudal peduncle depth, 11.6% SL (vs. 8.5–9.5%); absence of dark bar at the base of the caudal fin (vs. presence of dark bar); head length, 17.9% SL (vs. 14.9–15.1%); and unbranched rays of caudal fin long, reaching distal margin of fin (vs. rays short, not reaching half the length of caudal fin) .: elongated.

🌀 Behaviour

Behavioural data for Stenolicmus Ix 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±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
1.9cm

🌡️ 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
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Wosiacki, Coutinho & de Assis Montag, 2011

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