How to identify and care for lionhead goldfish<br>Check the fish you are preparing to buy, or if it is already in your tank, observe it. Lionhead goldfish have the following as physical traits : [substeps] Lionhead goldfish completely lack a stabilizing dorsal fin. If your fish has a dorsal fin, it is most certainly not a lionhead.
Lionhead fish don't have dorsal fins
( z1 have :polarity - :ARG0 ( z2 fish :mod ( z3 lionhead ) ) :ARG1 ( z4 fin :mod ( z5 dorsal ) ) )