Biology, 08.04.2021 01:20, saltytaetae
According to this dichotomous key, any catfish must have
a double dorsal fin, a small fin on the back near the tail, and barbs near the mouth.
a single dorsal fin, no small fin on the back near the tail, and barbs near the mouth.
a double dorsal fin, a small fin on the back near the tail, and no barbs near the mouth.
a single dorsal fin, a small fin on the back near the tail, and barbs near the mouth.
Answers: 2
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According to this dichotomous key, any catfish must have
a double dorsal fin, a small fin on the ba...
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