spineback
spineback · spinebacks
A fish with spines in, or in front of, the dorsal fins, such as the Notacanthus…A fish with spines in, or in front of, the dorsal fins, such as the Notacanthus sexpinis or the spiny dogfish (Squalus acanthias).
A fish with spines in, or in front of, the dorsal fins, such as the Notacanthus…A fish with spines in, or in front of, the dorsal fins, such as the Notacanthus sexpinis or the spiny dogfish (Squalus acanthias).