Adult rockfish feed on shrimp, small fish, jellyfish, squid, crab, crab eggs, octopus, sea snails and worms. Rockfish belong to the Sabistidae family of marine fish. They are also commonly known as rock perch, ocean perch, sea perch, thornyheads and rockcods.Know More
Rockfish are unique in that they do not lay eggs. Instead, rockfish fertilize and house their embryos inside their bodies before eventually giving birth to live offspring. This process is called vivipary.
Rockfish can be identified by their venom glands that are located on the bases of their dorsal, anal and pelvic spines. They are most commonly found up and down the Western North American coast, from Baja California to Alaska.Learn more about Fish
The diet of a freshwater shrimp depends on the species, as the different species have different feeding requirements. Generally, shrimp are scavengers and eat nearly anything.Full Answer >
As omnivores, shrimp consume many different kinds of animal and plant species, but primarily feed on small fish, algae, plant particles and plankton. They will also eat decaying plants and will scavenge parts of dead animals such as snails, clams and fish, and will even eat other shrimp.Full Answer >
While they do not have external ears, fish are able to perceive underwater sounds through their internal ears. Fish pick up sounds through both their internal ears and lateral lines down their bodies.Full Answer >
The iridescent shark is a member of the family Pangasiidae, or shark catfishes, and is also known as the swai. It lives in Southeast Asian rivers and can reach a length of 4 feet and weigh nearly 100 pounds. Adults are gray and lack the iridescence found in juveniles.Full Answer >