Bigeye stumpnose – Rhabdosargus thorpei

Bigeye stumpnose, , Rhabdosargus thorpei
Size: 40 cm
Water Type: Brackish, Freshwater

Rhabdosargus thorpei is a species of marine fish belonging to the family Sparidae, commonly known as the sea bream family. These fish are characterized by their robust bodies and often colorful scales, and Rhabdosargus thorpei exemplifies this, displaying a distinctive appearance and ecological significance.

Description & Characteristics

Rhabdosargus thorpei can reach a maximum size of 40.0 cm. Like other members of the Sparidae family, these fish exhibit a typical sea bream form, with a somewhat compressed body, a single dorsal fin with a prominent spiny portion, and a well-developed anal fin. They are characterized by a distinct pattern of banding, with alternating dark and light bands adorning their flanks. This banding pattern helps to camouflage Rhabdosargus thorpei in its natural environment.

Habitat and Occurrence

Rhabdosargus thorpei primarily inhabits coastal waters and estuaries. These habitats are characterized by their varying salinity levels and the presence of diverse marine life. The species is typically found in shallow waters, where it can be observed foraging along the seabed or near rocky reefs. Its preferred depth range is limited to shallow waters, generally not exceeding 100 meters. Rhabdosargus thorpei is considered a prevalent species within these coastal and estuarine marine zones, showcasing its adaptability and success in these ecosystems.

Taxonomy

Rhabdosargus thorpei belongs to the Class: Teleostei, Order: Eupercaria incertae sedis, and Family: Sparidae. The Teleostei is a diverse and abundant group of fish, including most of the familiar bony fishes. They are characterized by features like a bony skeleton, scales, and a variety of specialized fins. The Eupercaria incertae sedis represents a group of fish that are not yet fully placed within the evolutionary tree, highlighting the ongoing research and understanding of fish phylogeny. The Sparidae, or sea bream family, consists of over 100 species found worldwide. They are recognized for their generally robust bodies, varied color patterns, and adaptable diets, contributing to their successful presence in various marine habitats.

Feeding

Rhabdosargus thorpei is an omnivore, demonstrating a diverse feeding strategy. Its diet includes a combination of benthic invertebrates such as crustaceans, mollusks, and polychaetes, as well as algae. This omnivorous feeding behavior allows Rhabdosargus thorpei to thrive in various habitats and exploit a range of food sources, contributing to its ecological success.

Associated Species

Image References

Leave a Comment