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Sharks and Rays: Sharks and Rays are fish whose bodies are composed entirely of
cartilage, unlike the calcium-containing bones of almost all other fish. There are over 300 species of Sharks and Rays, most of which are too large for the home aquarium. Some species of Cat Sharks, Horn
Sharks, and Stingrays do make unique aquarium inhabitants.
Sharks and Rays are found throughout the world in tropical and temperate waters. Most of these fish that are available for the home aquarium are found on or around coral reefs, rocky reefs, or lagoons. After the Sharks and Rays have had time to establish themselves in the aquarium, it is advisable to control the amount of food offered in order to slow the growth rate of the fish. Most Sharks will outgrow even very large aquariums. Stingrays often bury themselves partially in the substrate, and many sharks are bottom dwellers, so it is important to keep these fish on fine sand or very fine gravel. Sharks and Rays can cause severe injury to the handler if not careful! Stingrays are equipped with a sharp spine on the end of their tail. This spine is used defensively and it is venomous. The skin of Sharks is comprised of small, tooth-like scales that feel like sandpaper. Due to their large size, the breeding of Sharks and Rays in an aquarium is extremely difficult. The diet of Sharks and Rays should consists of fish, crustaceans, and mollusks. In an aquarium, vitamin-enriched frozen squid, live ghost shrimp, and other meaty foods can be offered. Sharks and Rays should only be kept by expert aquarists! Click on thumbnails for more information.
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