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.

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Biology

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Today, 04:45

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.

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Janet Berger · Answer 1

Here is the correct answer of the given question above about a catfish. 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. The answer would be the first statement.