Steelhead

The Steelheads are Boss Salmonids that appear in Salmon Run and Salmon Run Next Wave in Splatoon 2 and Splatoon 3.

Description
The Steelhead's only attack is to inflate a bomb on top of its head, then throw it in front of itself. The bombs resemble green inflatable bags and can instantly splat players, with a much larger blast radius than normal bombs. The Steelhead shuffles forward very slowly when idle, and it only throws bombs once a player is in range. A Steelhead's entire body is covered in invulnerable armor; the only way to damage it is to attack the Steelhead's bomb before it throws it. Splatting a Steelhead creates a large explosion that deals colossal damage to any other Salmonids nearby.

Quotes
The following text is quoted from the Salmonid Field Guide.


 * Basic Information
 * An extraordinarily large specimen, it moves very slowly.
 * Its body is covered in hard, protective scales. Shooting it with ink has no effect.


 * Attack Behavior
 * Generates bombs from its head, which it throws at enemies. It can't throw these bombs very far.
 * The resulting explosion covers a large area.


 * Elimination
 * The only way to defeat the Steelhead is to shoot ink at the bomb on its head as it inflates.


 * Supporting Information
 * The company commander of a Salmonid troop.
 * Its powerful physique capable of supporting heavy armor and its ink-resistant scales are the result of arduous conditioning.
 * It forms the bomb on its head by collecting its own explosive saliva.

Tips

 * Due to its slow movement, Steelheads can be ignored for a while if there are higher-priority Boss Salmonids on the battlefield.
 * New bombs made by the Steelhead retain any damage that was done to previous bombs it launched.
 * It takes three to four seconds for Steelheads to throw a new bomb, so you should balance your time from killing lesser for 3 seconds and killing the Steelhead next.
 * The bomb is very small and is located high up compared to other Boss Salmonid weak points, so players must positions themselves correctly to take it down.
 * Short-range weapons are not suited to attacking the Steelhead, but can easily kill them on maps like Ark Polaris, Salmonid Smokeyard, and Spawning Grounds.
 * Chargers, splatlings, and sloshers are the most appropriate weapons for dealing with the Steelhead.
 * If timed right, sloshing straight up in the air can kill a Steelhead.
 * It is safe to stay right next to the Steelhead because it cannot directly attack players near it. Its only method of attack is the bomb that it throws.
 * Rollers deal variable damage based on distance from the target. Therefore, roller players should get close to the Steelhead and jump before every attack to deal the most damage.
 * Using the Splashdown while the Steelhead has the bomb exposed can instantly splat the boss.
 * During Cohock Charge, shooting the Steelhead with an Ink Cannon instantly defeats it if its bomb is inflating.
 * Upon being defeated, they explode, dealing damage to any Salmonids around them. Thus, it can help to target Steelheads first.
 * Despite what the employee manual says, Steelheads are actually vulnerable to a few sources of direct damage; the rare weapons Grizzco Slosher and Grizzco Splatana and special weapons Sting Ray, Booyah Bomb, Triple Inkstrike and Killer Wail 5.1 all pierce armor and can deal direct damage to a Steelhead without having to detonate the bomb on its head.
 * Note, however, that Steelheads have notably higher health than their bombs, and thus, this method may take slightly longer.
 * Steelheads can't target or see players that are directly above their model, so it is possible to lure it using Inkjet and being on a platform that makes you higher than the boss.
 * If the map you're on doesn't have platforms that make you high enough, being on top of the basket works too.
 * The walls on Lost Outpost won't work, but the walls in the back outside will.
 * You should only do this if other bosses/lessers are coming up so you can kill them fast.
 * Steelheads will only attack once fully on land. If they are still partially in the water, they will not attack.
 * Due to this, unless using the Grizzco Slosher, do not swarm a Steelhead that is spawning. This is time consuming and the eggs are away from the egg basket.
 * A direct hit with a Grizzco Slosher at the bomb on its head can instantly splat the Steelhead, although this method could be tricky. The trick is to aim slightly higher at the bomb so it directly hits the bomb and not the Steelhead itself.

Badges
Splatting Steelheads a specific number of times in Salmon Run: Next Wave will reward the player with special badges that they can use on their Splashtag.

Trivia

 * Steelheads were the first Boss Salmonid to be revealed in the 2017-04-12 Nintendo Direct.
 * In reality, steelheads are a form of rainbow trout, a fish that is closely related to salmon and has a similar life cycle.
 * It is possible to splat the Steelhead on the exact frame that it throws its bomb. Doing so makes the bomb act and appear as if it had been successfully thrown, even though it exploded and splatted the Steelhead.