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💧 Freshwater Least Concern 🌡️ Tropical

Chasmocranus Longior

Chasmocranus longior Eigenmann, 1912
Max Length
17 cm
Max Weight
Lifespan
Trophic Level
3.6
Depth
Climate
Tropical
Resilience
Low
Vulnerability
49.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Captured in creeks with rocky bottoms and in areas where the water changes level . Lies hidden under rocks and Podostemaceae. Its color pattern, like that of the other Heptapterus, provides perfect camouflage. The species which occur more frequently with it are: Imparfinis minutus, Moenkhausia oligolepis, Pyrrhulina filamentosa, Characidium fasciadorsale [= Characidium zebra] and Crenicichla albopunctata .

Scientific Name
Chasmocranus longior
Authority
Eigenmann, 1912
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
17 cm
Trophic Level
3.6
Resilience
Low
Vulnerability
49.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

color pattern, like that of the other Heptapterus, provides perfect camouflage.

🌀 Behaviour

Behavioural data for Chasmocranus Longior is currently being reviewed.

🦐 Diet

Diet information for Chasmocranus Longior is currently being compiled.

🥚 Reproduction

Reproduction data for Chasmocranus Longior is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Coastal drainages from Guyana to Suriname, Negro, Orinoco and Xingu River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.6±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L2.99 (TL)
Max TL
17cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
49.00/100
Moderate-High vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Eigenmann, 1912

🌐 Names & Taxonomy

Language Common Names
🌍CES anténovka prodloužená

Scientific Synonyms

Scientific Name Author Year Status
Chasmocephalus longior Eigenmann 1910 Heterotypic
Heptapterus longior Eigenmann 1912 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 75 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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