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💧 Freshwater Critically Endangered 🌡️ Tropical

Schistura Scripta

Schistura scripta Sudasinghe, 2018
Max Length
4.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

This species is known only from its type locality, a stream about 3-4 m wide, flowing through the palm-oil plantations of Nakiyadeniya Estate in an unprotected area of the Gin River basin, elevation ca. 80 m above sea level and where the substrate consists of small boulders and pebbles. It prefers the faster-flowing regions of the stream and was observed with Garra ceylonensis, Rasbora dandia, Belontia signata. It appears to be locally abundant when sampled during a relatively dry period in December 2017 and about 100 adults, including several gravid females, were observed in a stretch of approximately 50 m along the length of the stream. Schistura notostigma was recorded in similar habitats sampled in Udugama about 8 km from the type locality of S. scripta and as presently understood, these two species do not co-occur .

Scientific Name
Schistura scripta
Authority
Sudasinghe, 2018
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
4.3 cm
Trophic Level
3
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners from Sri Lankan and peninsular India by the following characters: lateral line incomplete with 53-76 pores, ending beneath the dorsal-fin base or slightly beyond; post-dorsal bars 7-13; D 7½ branched rays; no axillary pelvic lobe; absence of a suborbital flap .: eel-like; Cross section: oval.

🌀 Behaviour

Behavioural data for Schistura Scripta is currently being reviewed.

🦐 Diet

Diet information for Schistura Scripta is currently being compiled.

🥚 Reproduction

Reproduction data for Schistura Scripta is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00145 × L3.08 (TL)
Max TL
4.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Sudasinghe, 2018

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