Lepeophtheirus pectoralis copepodid stage, during which the copepod attaches itself to the fish. Stages IV, V, VI and VII are the chalimus stages, and are followed by the pre-adult and adult stages, when differentiation of males and females is possible. Lepeophtheirus pectoralis Lepeophtheirus pectoralis is a species of parasitic copepod. It is a parasite of flatfish, the most frequent hosts being the European flounder ("Platichthys flesus"), the plaice ("Pleuronectes platessa"), and the dab ("Limanda limanda"). It feeds on the mucus, skin and blood of the fish, with oviferous females being found in the pectoral and pelvic fins of the host, while immature
Rusty desert monitor cm. The colouration of this monitor lizard on the upper side is light to dark reddish-brown with numerous, irregularly distributed, black or deep-brown spots. Sometimes, smaller primrose or cream-colored spots are present. Its tail shows alternating cream-colored and deep-brown longitudinal stripes, which are often broken up into scattered spots at the tail base. A conspicuous black stripe occurs from the snout to the eye. This species spends its life on the ground and seldom climbs trees. No successful breeding in captivity has yet been reported. Stomach contents indicate the diet by volume of the rusty desert monitor consists mainly of