Every water from the Mangrove Maze onward hides an alpha - a boss with its own fight instead of the reel bar. They are rarer than the Megalodon: 1% per catch, and only after 25 catches at that water. Beating one pays 3x a Megalodon haul (first-ever defeat: 6x plus gems), and every win rolls 1/250 for that boss's pet - 1/167 with the Arc Rod. Lost the fight? Watch an ad for one free retry per encounter - never leave a boss without your second chance. Full pet odds live in the Pet Guide.
Old Tangleroot - Mangrove Maze
The root-bound terror of the maze snaps your line and prowls the open water. Swipe across his shadow - any direction - to wear him down before the dive timer empties, then set the hook: tap the green on all three bars, sharing three lives. Keep your swipes wide; grazing the tentacles counts. His pet is Lil Roots.
The Kelpler - Kelp Forest
The thousand-tooth tangle sends vines up out of the water. When the ring appears, tap the vine five times to cut it down - five vines, each rising faster, the last with half the time. Then hook four of his teeth: hold to ride the needle inside the green. Cut cleanly and the teeth phase is pure rhythm. His pet is Wispy.
Old Brasshelm - Sunken City
The drowned suit's new tenant raises his palace from the deep. First swipe the way each arrow points - ten dodges, windows shrinking as you go - then tap to stack the stones before the clock drains. Seven clean rows re-sink his throne; the stacker speeds up 40% by the top, so bank your early rows fast. His pet is Trinket.
The Icebreaker - Glacier Bay
The lance beneath the ice freezes the whole bay over. Feel the ice for his weak spot - the haptics run hot and cold, and you have five seconds before the trail goes cold - then tap to spear it, three times. Survive his shard volley and finish him on a screaming, extreme-tension reel. His pet is Chip.
Cindercoil - Volcano Springs
The molten eel of the springs spits fireballs in pairs - tap both before they land. Five volleys, each faster than the last. Then his glow races along his body: swipe it like mad to vent him dry in three seconds before he dives. The vent is pure speed - two fingers help. His pet is Ember.
The Bolting Jelly - Storm Strait
The living lightning of the strait calls the storm down. Tap each strike within a second - six bolts - then tap HIM the instant he surfaces. Inside, feel for three synapses and hold each one until it snaps. The bolts telegraph with a ring: eyes on the water, not the boss. His pet is Gust.
The Crystal Whale - Crystal Caverns
The singing titan's four back-crystals sing a pattern - watch, then tap it back. Four rounds: two notes, then four, six, eight. One wrong note and he is gone. Hum it if you have to; the colors flash in sequence and the last round is a full song. His pet is Glimmer.
The Marsh Mudskipper - Delta Marsh
The mud-king of the delta hides in his own murk. Feel the mud to find him - four hunts, guided by haptics - and each find erupts three mud blasts: tap them all, faster every hunt. Then swipe with the arrows and win a true fighting reel: hold to gain line, let go when he surges. The surge telegraphs - respect it. His pet is Pebble.
More alphas are coming
Eight more waters past the Delta Marsh are still bossless - their alphas arrive in the next update. Until then: 25 catches at a water, keep casting, and when the line snaps... you know.