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🌊 Marine Critically Endangered 🌡️ Tropical

Whitespotted guitarfish

Rhinobatos albomaculatus Norman, 1930
Max Length
75 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
38.00/100
Typical Length
60 cm
Depth Zone
demersal

📖 Overview

Benthic and more or less stationary in inshore coastal waters. Feeds on fish and shrimps . Ovoviviparous. Females have litters of 2-3 pups. Males mature at ca. 46 cm TL, females at ca. 52 cm TL; birth size at ca. 15 cm TL .

Scientific Name
Rhinobatos albomaculatus
Authority
Norman, 1930
Habitat
Marine
Climate
Tropical
IUCN Status
CR
Max Length
75 cm
Latitude
17°S – 16°N
Trophic Level
4.1
Resilience
Low
Vulnerability
38.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Whitespotted guitarfish is currently being compiled.

🌀 Behaviour

Behavioural data for Whitespotted guitarfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures .

🌍 Habitat & Distribution

Marine; brackish; demersal; depth range ? - 35 m . Tropical; 16°N - 17°S, 19°W - 13°E

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
4.1±0.71
Food Items

fish and shrimps (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00302 × L3.13 (TL)
Max TL
75cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Tropical
Latitude Range
16°N – 17°S
Described By
Norman, 1930

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Rhinobatos albomaculatatus Norman 1930 Synonym
Rhinobatus albomaculatus Norman 1930 Synonym
Rhynchobatus albomaculatus Norman 1930 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 668 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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