Lophogastrids: Lophogastrida - Physical Characteristics, Behavior And Reproduction, Lophogastrids And People, Giant Red Mysid (gnathophausia Ingens): Species Account - GEOGRAPHIC RANGE, HABITAT, DIET, CONSERVATION STATUS
feet found meters waters
Lophogastrids live in all oceans except the Arctic. Most species are found in the Pacific and Indian oceans.
Lophogastrids usually swim in deep, open waters down to depths of 3,280 feet (1,000 meters). Some species are found in waters as shallow as 164 feet (50 meters).
Most lophogastrids are thought to be predators. They prey on free-floating animals called zooplankton. Only one species, Gnathophausia, seems to use its bristly mouthparts as filters to strain large particles of food from the water.
No lophogastrids are considered endangered or threatened.
Additional Topics
Lophogastrids (loh-foh-GAS-trids) are long, shrimplike, and usually measure 0.39 to 3.15 inches (10 to 80 millimeters) in length, but one species reaches 13.78 inches (350 millimeters). Both pairs of antennae are branched, or biramous (BY-ray-mus). The outer branches of the second pair of antennae, or exopods, are short and flaplike. The compound eyes are set on stalks. Each eye has multiple indiv…
Physical characteristics: The giant red mysid is the largest crustacean that lives in open water. It measures up to 13.78 inches (350 millimeters) in length. The carapace has a very long, beaklike projection that extends almost to the end of the first pair of antennae, or antennules. The flaplike exopods of the second pair of antennae are long with sharply pointed tips. The back of the carapace is…
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