Puffadder shyshark – Haploblepharus edwardsii

Puffadder shyshark, Puffadder Shyshark - Haploblepharus edwardsii, Haploblepharus edwardsii
Size: 59 cm
Depth: 0 - 130 m
Water Type: Marine
Toxicity: Toxic hazard unknown
Red List Status: Near threatened (NT)
Temperature: 51.8 °F - 66.2 °F (11°C - 19°C)

The Puffadder Shyshark, scientifically known as Haploblepharus edwardsii, is a small, slender shark belonging to the family Scyliorhinidae, commonly known as catsharks. This species exhibits a unique blend of physical characteristics and behavioral patterns, making it a fascinating subject of study for marine biologists.

Description & Characteristics

The Puffadder Shyshark is distinguished by its relatively small size, reaching a maximum length of 59.0 cm. Its body is slender and elongated, with a pointed snout and large, forward-facing eyes. The coloration of the Puffadder Shyshark is characterized by a distinctive pattern of dark brown blotches and spots on a pale brown background. This camouflage pattern effectively helps the shark blend into its surroundings, allowing it to ambush prey with stealth.

Habitat and Occurrence

The Puffadder Shyshark is found in a variety of marine environments, primarily in coastal waters along the eastern shores of South Africa. Its depth range extends from the surface down to 130.0 meters, indicating its ability to adapt to different water conditions. These sharks are often observed in shallow, rocky reefs, as well as sandy bottoms, exhibiting their versatility in habitat selection. This distribution places the Puffadder Shyshark within the Temperate, Neritic, and Epipelagic marine zones, highlighting its ability to thrive in diverse environments.

Taxonomy

The Puffadder Shyshark, Haploblepharus edwardsii, falls under the Class: Elasmobranchii, which encompasses all sharks, rays, and skates. It is further categorized within the Order: Carcharhiniformes, a diverse group of sharks characterized by their generally streamlined bodies and five gill slits. The specific family, Scyliorhinidae, encompasses catsharks, known for their slender bodies and small mouths.

Feeding

The Puffadder Shyshark is a carnivorous species, feeding primarily on a diet of crustaceans, such as crabs and edible crab. They also supplement their diet with smaller fish and worms. This varied diet reflects their opportunistic feeding habits, allowing them to adapt to the available prey in their environment.

Associated Species

Image References

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