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🌊 Marine Endangered 🌡️ Tropical

Tubemouth whipray

Urogymnus lobistoma Matsumoto & Last, 2006
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
84.00/100
Typical Length
-
Depth Zone
-

📖 Overview

An inshore species which I s probably with restricted distribution in brackish habitats that are associated with runoff from large rivers. Feeds on small fishes and prawns. Males mature at ca. 49 cm WD, females at ca. 70 cm WD; born at ca. 19 cm WD . Female maturity based on a pregnant female; males apparently smaller than females; full term pup 18.4 cm DW .

Scientific Name
Urogymnus lobistoma
Authority
Matsumoto & Last, 2006
Habitat
Marine
Climate
Tropical
Body Shape
Other
IUCN Status
EN
Trophic Level
3.5
Vulnerability
84.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species belong to the 'uarnacoides' complex, characterized by the following: lateral disc shape with pectoral fin apices broadly rounded rather than narrowly rounded or angular; color plain (usually uniform light to dark brown dorsally, and pale or whitish ventrally with or without a dark margin; a long and slender whiplike tail and platelike denticles in a broad dorsal band in adults. This species differs from H. hortlei in having a highly protrusible mouth and a pelvic girdle with prominent lateral prepelvic processes .: other.

🌀 Behaviour

Behavioural data for Tubemouth whipray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.5±0.4
Food Items

small fishes and prawns

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.06 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
84.00/100
Very High vulnerability
Trophic Level
3.5
Predator
Body Shape
Other
Climate Zone
Tropical
Described By
Matsumoto & Last, 2006

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