ZAP!
She looked back to look just in time to see her dorsal fin disappear in her back while her tail's fluke folded into a thick point and the rest of the tail broadened out accordingly.
The Other Team
She commanded and slapped her fluke up against york's face face. "finish!" with a growl york grabbed her tail and yanked on it, hard.
It's Customary To... (M wolf / M horse / M orca)
From his webbed hands and feet to his large, fluked tail that always seemed to be in the way, from the fin on his back to the odd blowhole atop of his head - he was perfect in every way. in the few months they'd been together, cody had come to love him.
Welcome to Earth
In answer, he reached down and tapped the ring in his fluke, and she nodded.
Strange Shores
The calf thumps hir fluke against the floor as shi finishes cumming inside of catherine. as the pair of them stop and pant, the dolphin cuddles up against catherine, almost childlike in its cute innocence.
A Slippery Slope - Part 5: Linnaeus' Enthusiasm
Linnaeus would watch the flukes, shoulders and legs all working in perfect sync, doubling the best speed that any otter could hope to achieve in a lifetime on just a warm-up.
Cold Blood - Chapter 1.5
Her tail lashed behind her, flukes swishing the air.
A New Porpoise [TF/TG MtF Human/Anthro/Feral]
With the flick of her tail fluke, she was out the door and gone, into the night. ==== ashlynn knew why she was in the red light district. and why she had to leave.
Shifting Consequences--Chapter 11: Experimental Relations
Moving her fluke, bella gets in a more comfortable position. "based on the data we have, we can't be certain of that conclusion. someone other than zack would have to fuck a normal human to know for sure." zack nods. "true.
A trip to the mall
John kissed his pet and shoved his tongue deep in his mouth, fluke slapping the floor behind them as he came for the first time in an hour.
Natik's even better evening (Leopard seal/dolphin sex and vore)
The great swell of his bloated gut cut off his view but she was stretched out atop him, her strong flippers balancing her as her flukes rubbed against his fingered hind flippers.
Gentle Predators
He looks young, possibly only just evolved, look at how he's flailing the flukes on his back to gain balance; he's not used to using his tail to counterbalance himself."