Blue sea chub – Kyphosus cinerascens

Blue sea chub, Ashen Drummer, Blue Chub, Blue Sea Chub, Highfin Chub, Highfin Chub, Highfin Rudderfish, High Fin Rudderfish, Long-finned Drummer, Rudderfish, Sea Chub, Snubnose Chub, Snubnose Drummer, Snubnose Rudderfish, Stone Bream, Topsail Chub, Topsail Chub, Topsail Drummer, Kyphosus cinerascens
Size: 53 cm
Depth: 0 - 45 m

American Samoa, Andaman and Nicobar, Australia, Bahrain, Cayman Islands, Chile, China, Cocos Islands, Cook Islands, Egypt, Fiji, French Polynesia, Guam, Hawaii, India, Indonesia, Japan, Kiribati, Kuwait, Malaysia, Maldives, Marshall Islands, Mauritius, Micronesia, Mozambique, New Caledonia, New Zealand, Niue, Norfolk Island, Oman, Palau, Papua New Guinea, Philippines, Qatar, Reunion Island, Samoa, Saudi Arabia, Seychelles, Somalia, South Africa, South Korea, Taiwan, Tanzania, Thailand, Timor-Leste, Tonga, United Arab Emirates, United States Minor Outlying Islands, USA, Vietnam, Yemen

Arabian Sea, Bay of Bengal, Celebes Sea, Coral Sea, East China Sea, Great Barrier Reef, Gulf of Aden, Indian Ocean, Pacific Ocean, Persian Gulf, Red Sea, South China Sea, Sulu Sea, Yellow Sea

The Ashen Drummer, Blue Chub, Blue Sea Chub, Highfin Chub, Highfin Chub, Highfin Rudderfish, High Fin Rudderfish, Long-finned Drummer, Rudderfish, Sea Chub, Snubnose Chub, Snubnose Drummer, Snubnose Rudderfish, Stone Bream, Topsail Chub, Topsail Chub, Topsail Drummer, scientifically known as Kyphosus cinerascens, is a species of fish belonging to the family Kyphosidae. This fish is commonly found in marine environments, particularly in the coastal waters of the Indo-Pacific region.

Description and Characteristics

Kyphosus cinerascens can reach a maximum size of 53.0 cm. The body of this species is typically elongated and compressed, with a distinctive, deep, and somewhat rounded profile. It is recognized by its long dorsal fin, which extends almost the entire length of its back. This fin, along with its characteristic elongated body shape, gives the fish a distinctive, almost sail-like appearance, hence its common names. The color of the fish can range from silvery-gray to brownish-gray, sometimes with a faint reddish tint, especially along the flanks. The underside is lighter in color, often appearing white or yellowish.

Habitat and Occurrence

Kyphosus cinerascens is an adaptable species, inhabiting a variety of marine environments. They are typically found in coastal waters, often in association with rocky reefs, coral reefs, and seagrass beds. Their depth range spans from the surface to a maximum of 45 meters, suggesting they can inhabit both shallow and deeper waters.

Taxonomy

The species Kyphosus cinerascens belongs to the Class: Teleostei, Order: Perciformes, and Family: Kyphosidae. It is a member of a diverse group of fishes known as the “Rudderfishes,” a group that includes about 15 species.

Feeding

Kyphosus cinerascens is an herbivorous fish, primarily feeding on algae and plankton. They are often observed grazing on seaweeds, including benthic algae attached to rocks and substrates. Their diet may also include small invertebrates, particularly those found associated with their preferred habitats.

Associated Species

Image References

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