Mine just ate an alpha mosasaur.

If you are raising a baby keep in mind that their food drops faster than they can eat, so you have to force feed them until their food bar is full or else they will eventually starve to death even with food in their inventory. If you are on singleplayer you can also leave and rejoin your game to make the basilo instantly eat the food in its inventory until the food bar is full or there is no more food in its inventory.

Generally surrounded by what appears to be some sort of coral fern. Coral fern is in fact a swarm of feral majestic sea flap-flaps. Swarm is protective of their oily host.

Reasons to tame a basilo:

1. Water tanks. They can take damage and dish it back out. I killed a moss with mine.

2. Fast health regeneration near surface. Fight any surface predator and barely lose any health

3. Makes oil.

4. Keeps you warm in cold places and cool in warm ones

If you don’t have a basilo, tame a basilo.

King of the sea. A tuso or mosa will do more damage but you can not be knocked off a basil making them essential for underwater caves which are full of jellies, Eels and even tuso's. They are also the perfect size to navigate through them without getting stuck or having to dismount. If you have a Baryonyx they are very easy tames, just use the AoE spin attack to kill all the Manta's and you can passively tame it at your leisure. Combine their oil with organic poly and water in a cooker to make soap which doesn't expire and can be ground back into oil and organic poly when you need it.

Fun fact: the first time you feed it, it takes a while. The rest of the time, it’s much faster, don’t worry!

If one spawns 3 mantas will automatically spawn near it, and start following it and group up near its belly. If you feed a basilo every ichthy/megalodon/manta near the basilo will automatically take one damage (the game inflicts the damage as if it was inflicted by you), then get angry at you and start chasing you. You should then run away if your tame can't kill the mantas quickly because mantas do more damage through armor like saddles than other creatures, so your tame's health might get shredded in seconds.

They have 12000 drag weight, the 2nd most in the game along with liopleurodons.

I have a tip to share on how to deal with the Mantas and Megalodons that are surrounding the area where the Basilosaurus roams. Make sure to go with a high level Baryonyx because of its underwater stun ability and damage in general. Make sure to damage one manta so they will all start following you. Then lead them away and kill them. Killing the Megs is easier in my opinion, plus you can gather them all in one place, stun them and start killing them!

In real life these were vicious carnivores that would have killed and eaten a human on sight and lived mostly in shallow waters and swam up rivers looking for food they were also twenty metres long, good thing the developers didn't make them more realistic or crossing rivers would be a dream until you have a flyer.

Ignore posts about taming bar going down, you need to tame it using only the food you give it from the start, if you change the type of food you give it, it then resets the taming bar

If you are having trouble finding some of these on the island, try near herbivore island. Good luck!

It takes a while to eat the second time, so don't fret

Why is this passive?! This has tons of hp and melee. Actually, on second thought… ark, please keep this passive!

One of The most stupidly overpowered water Dino's following Icthyosaurus

1: passive Oil generator (spoils, sadly)

2: high hp and fast regen at surface (lose hp when deep)

3: hypo/hyperthermic insulation when ridden

4: immune to dismount effects and cnidaria stun

5: drops [__]loads of oil when killed, wild or tamed

6: great semi-battle exploration creature

7: saddle unlocks I think before Argentavis

8: little slow, but able to outrun Meg

9; is sea wiener, make human happy

From my testing, it seems like one of these generates 20 oil in ~25 minutes, so that’s a rate of 4/5 per minute. You can refine 6 oil into 5 cans of gasoline, so 4/5 oil per minute would equate to 2/3 gasoline per minute. A fabricator burns fuel at a rate of 1 can of gasoline per 15 minutes (1/15 per minute). So basically, with a single basilosaurus of any level, it will produce enough oil to keep 10 fabricators constantly running simultaneously if you constantly collect and refine the oil it produces. Electrical generators burn gas 4 times slower than fabricators do, so a basilosaurus can produce enough oil to simultaneously and constantly power 40 generators. I wish I knew about this before travelling to the iceberg from my base in the south to gather oil : (

It makes oil with a timer once tamed

Basilos, one of, if not, the best aquatic mount in the game. Not able to be stung by the jellyfish, healing quickly at the surface, and for being a whale for ARK's sake. They have tons of weight, damage, and, best of all, the potential for a MASSIVE health pool. I bred a fully imprinted, non-mutated Basilo for the first time today, and after killing an alpha Meg and Leedsichthys, it has nearly 200,000 health. Damage-wise, it isn't too crazy, but it is especially good for an aquatic mount. The only aquatic creatures to rival the Basilo in its capabilities are the Most and Tuso, and possibly the Plesio as well. The Miss was the original King of the Sea, but ever since Jellyfish were added, they have been in a fire need for a TLC. The Plesio is fast, but it doesn't do as much damage and is not as manuverable as the Basilo. That leaves the Tuso. It has a long reach, but Basilos are not affected by its grip. This truly proves they are the King of the Ocean.

A living oil mine and immune to jellyfish and someone who likes to ignore the hug of the Tuso . Yup definitely worth taming and for some of you who don’t know how to tame this kind of Dino then this is how you do it

Step 1: put the item you will use to tame in your hot bar

Step 2: get close to the Dino then tap the item to feed it then keep feeding it until it tame up

I am telling process because I had problems passive taming when I was a beginner

Hope this was helpful :)

On island these guys spawn on herbivore island (the lowest island) the land has no predators but the water had megladons, mantas and these guys.