Acroteriobatus annulatus
Acroteriobatus annulatus·Large·Vulnerable
The lesser guitarfish, scientifically known as Acroteriobatus annulatus, is a species of ray found in the coastal waters of southwestern Africa. This fish is characterized by its pale cream upper body adorned with dark rings around dark spots, and a flat, triangular snout. It inhabits sandy plains in shallow seas and estuarine environments.
Key Facts
- ›Grows up to 141 CM in length.
- ›Possesses a flat, triangular snout with translucent areas.
- ›Upper body is pale cream with dark rings and spots.
- ›Inhabits sandy plains in shallow seas and estuarine waters.
- ›Found in Angola, Namibia, South Africa, and possibly Mozambique.
- ›Classified as Vulnerable by the IUCN due to habitat loss.
Lesser Guitarfish, Lesser Sandshark
Angola, Namibia, South Africa, Mozambique
- Up To 141 Cm Long
- Flat, Triangular Snout
- Nearly Translucent Areas On Snout Sides
- Pale Cream Upper Body
- Dark Rings Surrounding Dark Spots On Upper Body
- White Underside
- Dorsal Fins Set Well Back On the Tail
- Flat, Triangular Snout
- Pale Cream Coloration With Distinct Dark Rings and Spots
- Dorsal Fins Located Far Back On the Tail
About Acroteriobatus annulatus
The Lesser Guitarfish (Acroteriobatus annulatus)
The lesser guitarfish, scientifically known as Acroteriobatus annulatus, is a species of ray that inhabits the coastal waters of southwestern Africa. This fish is a member of the Rhinobatidae family, commonly referred to as guitarfish or sandsharks.
Description and Characteristics
Acroteriobatus annulatus can grow to an impressive length of up to 141 cm. Its most distinctive physical features include a flat, triangular snout with areas that are nearly translucent on either side. The upper part of its body displays a pale cream coloration, marked by dark rings that encircle dark spots, providing a unique camouflage pattern. In contrast, its underside is a uniform white. The dorsal fins are notably set far back on the tail, contributing to its characteristic shape.
Distribution and Habitat
The lesser guitarfish is found in the marine environments of Angola, Namibia, and South Africa, with possible occurrences in Mozambique. It prefers to live on sandy plains within shallow seas and estuarine waters, environments that offer suitable conditions for foraging and shelter.
Conservation Status
This species is recognized by the International Union for Conservation of Nature (IUCN) as Vulnerable. The primary threat to the lesser guitarfish is habitat loss, which impacts its ability to thrive and reproduce in its natural environment.
Source: Wikipedia ↗
Frequently Asked Questions
What is the lesser guitarfish?
The lesser guitarfish, or Acroteriobatus annulatus, is a species of ray belonging to the Rhinobatidae family. It is characterized by its distinctive coloration and body shape.
Where does the lesser guitarfish live?
This species is found in the shallow seas and estuarine waters of Angola, Namibia, South Africa, and potentially Mozambique. It prefers to inhabit sandy plains.
What does the lesser guitarfish look like?
The lesser guitarfish can reach up to 141 cm in length. It has a flat, triangular snout and its upper body is pale cream with dark rings surrounding dark spots, while its underside is white. The dorsal fins are positioned far back on its tail.
What is the conservation status of the lesser guitarfish?
The lesser guitarfish is currently classified as Vulnerable by the IUCN. Its population is threatened primarily by habitat loss.
Related Cartilaginous fish species
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The banded eagle ray (Aetomylaeus nichofii) is a species of cartilaginous fish found in the Indo-West Pacific. It is characterized by its diamond-shaped body, broad pectoral fins, and a distinctive greyish-brown dorsal coloration with faint blue transverse bands that become less distinct with age. This benthic species inhabits shallow seas and coral reefs, where it feeds primarily on crustaceans, snails, and worms.
Acroteriobatus ocellatus
Acroteriobatus ocellatus, also known as the Speckled guitarfish, is a species of cartilaginous fish belonging to the Rhinobatidae family. It inhabits coastal waters off southern Africa and the northwestern Indian Ocean. This species is characterized by its brownish coloration, often featuring a spotted pattern, and can grow to approximately 60–140 cm in length.
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The mottled eagle ray (Aetomylaeus maculatus) is a species of pelagic ray native to the Indo-Pacific region. It is characterized by a diamond-shaped body, pointed fins, and a distinct pattern of stripes and patches on its back. This ray inhabits shallow coastal waters and estuaries, often found over soft sandy bottoms.