External anatomy of a dogfish shark Squalus acanthias – discover fishes Squalus acanthias dogfish spiny diagram illustration species fish biodata fao identification courtesy
Squalus acanthias – Discover Fishes
Dogfish anatomy shark internal diagram external wiring
Dogfish chondrichthyes cartilaginous shark anatomy internal fishes characteristics class organs body mesentery figure squalus acanthias ducts life weebly
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