👉 Antithrixia is a type of fish that has no dorsal fin, making it unique among vertebrates. This characteristic allows them to swim in a more streamlined and efficient manner compared to other fish with a dorsal fin.
👉 Antithrixia is a type of fish that has no dorsal fin, making it unique among vertebrates. This characteristic allows them to swim in a more streamlined and efficient manner compared to other fish with a dorsal fin.
