Dododex
ARK: Survival Evolved & Ascended Companion
Trap coels in a fish basket, then cryo the fish. Keep them cryoed until you…

Trap coels in a fish basket, then cryo the fish. Keep them cryoed until you want to tame a shadow, then make another fish basket, release them from the cryo and trap them again. Put the fish basket in your hot bar and submerge yourself to reset their timer. No wasting fish baskets. Get lots of fungal wood to make more baskets as they will destroy after you "tame".
--AK
More Coelacanth Utility Tips
Unlike the other creatures in the game, this fish here is actually meant to resemble a variety of different species and subspecies. This is why they come in a huge variety of colors and sizes. Also the bigger fish do give more meat, and may give more prime fish when killed by the correct creature. They can sometimes cause lag due to how many of them spawn, these tasty fish spawn in the hundreds