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“heteracanthous”
heteracanthous (adjective) (not comparable)
In ichthyology, having the spines of the dorsal fin asymmetrical: Some fish have an unpaired median fin on their backs that are heteracanthous in that the spines are alternately broader on one side than the other.
This entry is located in the following units:
acantho-, acanth-, -acanth, -acanths, -acanthid, -acanthous
(page 4)
heter-, hetero-
(page 1)