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Filial cannibalism. Filial cannibalism occurs when an adult individual of a species consumes all or part of the young of its own species or immediate offspring. Filial cannibalism occurs in many species ranging from mammals to insects, and is especially prevalent in various types of fish species with males that engage in egg guardianship. [1]
Adult fish also prey on fish eggs and larvae. For example, haddock were observed satiating themselves with herring eggs back in 1922. [14] Another study found cod in a herring spawning area with 20,000 herring eggs in their stomachs, and concluded that they could prey on half of the total egg production. [17] Fish also cannibalise their own eggs.
The remaining 0.3% was made up of snails, fingernail clams, water mites, sculpin eggs and fish. [4] Thus the mottled sculpin is not a major threat to game fish though it has been found to eat trout eggs. [4] [11] Sculpin are cannibalistic. Males are known to eat their young if one contracts some kind of virus or fungus. The males also eat small ...
The hunter cuts a square hole in the ice on the lake and fishes using a fish lure and spear. Instead of using a hook on a line, Inuit use a fake fish attached to the line. They lower it into the water and move it around as if it is real. When the live fish approach it, they spear the fish before it has a chance to eat the fake fish. [9]
Matriphagy is the consumption of the mother by her offspring. [1][2] The behavior generally takes place within the first few weeks of life and has been documented in some species of insects, nematode worms, pseudoscorpions, and other arachnids as well as in caecilian amphibians. [3][4][5] The specifics of how matriphagy occurs varies among ...
Prior to laying their eggs on a vertical rock face, male and female whitetail major damselfish clean the site by sand-blasting it. The fish pick up sand in their mouths and spit it against the rock face. Then they fan the area with their fins. Finally they remove the sand grains that remain stuck to the rock face by picking them off with their ...
Cymothoa exigua, or the tongue-eating louse, is a parasitic isopod of the family Cymothoidae. It enters a fish through the gills. The female attaches to the tongue, while the male attaches to the gill arches beneath and behind the female. Females are 8–29 mm (0.3–1.1 in) long and 4–14 mm (0.16–0.55 in) wide.
Durophagy is the eating behavior of animals that consume hard-shelled or exoskeleton-bearing organisms, such as corals, shelled mollusks, or crabs. [1] It is mostly used to describe fish , but is also used when describing reptiles , [ 2 ] including fossil turtles, [ 3 ] placodonts and invertebrates, as well as "bone-crushing" mammalian ...