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💧 Freshwater Critically Endangered 🌡️ Tropical

Butterfly Loach

Sewellia breviventralis Freyhof & Serov, 2000
Max Length
5.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Very rheophilous, caught in only in rapids with current velocity exceeding 1 m/sec together with other rheophilous fish such as species of Garra, Annamia, Hemimyzon, Homaloptera, Schistura and Nemacheilus. Feeds on aquatic invertebrates .

Scientific Name
Sewellia breviventralis
Authority
Freyhof & Serov, 2000
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
CR
Max Length
5.1 cm
Trophic Level
3.5
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 35. Absence of dark stripes on body; absence of concentric bands on paired fins. Pelvic fin reaching 5-40% of distance between anus and anal-fin origin. No cavity around the mouth, skin-fold between oropectoral membrane and ventral surface of head running from pectoral-fin origin to second rostral barbel. Tubercles on dorsal part of head concentrated on tip of snout; 15-21 large tubercles on branched pectoral-fin rays. General appearance elongated. Lateral line with 58-64 scales . : elongated; Cross section: flattened.

🌀 Behaviour

Behavioural data for Butterfly Loach is currently being reviewed.

🦐 Diet

Diet information for Butterfly Loach is currently being compiled.

🥚 Reproduction

Reproduction data for Butterfly Loach is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.5±0.37
Food Items

aquatic invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00646 × L3.11 (TL)
Max TL
5.1cm
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2010

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Freyhof & Serov, 2000

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Butterfly Loach
🌍CES sevelie krátkobřichá
🇯🇵Japanese ラオスパイソンヒルストリームローチ

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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