One of the best snorkeling locations in Thailand to swim with sharks is at Shark Bay, in Koh Tao where you are assured of a unique experience. At a depth of 6 to 12 feet, Shark Bay has many blacktip reef sharks, some of them over 6 feet long, that continually crisscross the bay. ...
Both species were observed to spend much of the 24 hour-day immobile near the bottom of the tank in a “rest” posture. In the dogfish, its eyelids were partially closed during this time. The nurse shark appeared to have elevated arousal thresholds when engaged in the rest posture; the ...
In goldfish Carassius Auratus (Classis: Actinopterigii, Order Cypriniformis), “catalepsy” may be elicited by placing the fish upside down in a clamp consisting of V-shaped groove in a soft lock of polyurethane foam that is fastened to the bottom of a small clear plastic tank” (Davis...
Both species were observed to spend much of the 24 hour-day immobile near the bottom of the tank in a “rest” posture. In the dogfish, its eyelids were partially closed during this time. The nurse shark appeared to have elevated arousal thresholds when engaged in the rest posture; the ...