Fish Fiend (5e Creature)
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Small fiend, chaotic evil
Skills Perception +0
Death Burst. When the fish fiend dies, it explodes in a burst of fire. Each creature within 5 feet of it must make a DC 10 Dexterity saving throw, taking 7 (3d4) fire damage on a failed save, or half as much damage on a successful one.
Bite. Melee Weapon Attack: +1 to hit, reach 5 ft., one target. Hit: 1 (1d4 - 1) piercing damage.
Fish fiends appear like small angler fish with legs. They are a lowly summon usually for dark wizards looking for a servant. However, they are known to be rather vicious despite their lacking size and combat skills.