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FISHES : :pencil2: (Structural and Functional Adaptation of Fishes…
FISHES : :pencil2:
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Living Jawless Fishes
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Class Myxini: Hagfishes
:<3: slender tube-like body with naked skin
:<3: scavengers and predators of annelids, molluscs, dead or dying fishes, etc. (not parasitic)
:<3:nearly blind but can locate food by an acute sense of smell and touch
-The hagfish enters a dead or dying animal through an orifice or by using two toothed keratinized plates on its tongue that fold in a pincer like action to rasp away bits of flesh
:<3:The body fluids of a hagfish are in osmotic equilibrium with seawater.
Reproduction
Mystery or in some books, hagfish is said to be hermaphrodite.
Both male and female gonads are found in each animal, but only one gonad becomes functional.
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Female produces small members of surprisingly large yolky eggs (2-7cm in diameter depending on species).
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