The Good Fish / Bad Fish Tool
for Saltwater Aquariums,
Award-winning tool for creating ocean-friendly aquariums.

Lined Seahorse

GOOD Fish

Scientific Name Hippocampus erectus

Other Name(s) Northern Giant Seahorse

Care Level

Family

Lined Seahorse

GOOD Fish
Lined-Seahorse-1
Lined-Seahorse-2

Variable colors; head and neck often with white lines; some with dark or light saddles on back; relatively short snout. Seahorses require specialized care from knowledgeable and experienced fish keepers and are not suitable for novices. Social and best kept in groups in dedicated sea horse only tanks with low currents and assorted, comfortable hitching posts. Illegal trade in endangered seahorses is widespread. All captive-bred seahorses are best sourced directly from their breeders. These are available under various names at Seahorse.com