* Regeneration is different in fish: While some fish species can regenerate lost fins and even parts of their tails, it's not the same as a lizard losing and regrowing its tail.
* Tail structure: The base of the fish tail is where the vertebrae connect, and these bones are not typically regenerated.
* Regeneration limitations: Fish regeneration is often limited to specific tissues, like fin rays and muscle. The exact extent of regeneration varies greatly between species.
So, what happens when a fish loses its tail?
* Injury type: If the injury is severe and involves damage to the vertebrae, the fish will not be able to regenerate the lost portion of the tail.
* Species: Some fish, like zebrafish, are known for their remarkable regenerative abilities and can regrow a significant portion of their tails. Other species have very limited regenerative capacity.
* Healing: Even if regeneration is possible, the new tail will likely be different from the original, with a different shape and size. It might also lack some of the original functions, like the ability to move as powerfully.
In conclusion:
While some fish can regenerate parts of their tails, it's not the same as a complete regrowth from the base. The extent of regeneration depends on the severity of the injury, the fish species, and its individual capabilities.