← Browse all species

Can a Jansen Saddle Wrasse Live With a Lined Seahorse - Captive-Bred?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 53/100.

Why

  • Known conflict: Hard-swimming wrasse outcompetes seahorse for food; seahorses need calm species-specific tanks

It can work if…

  • Known incompatibility — these species are documented to conflict

Both species at a glance

Jansen Saddle Wrasse

Thalassoma jansenii

Aggression:
aggressive
Min tank:
70 gallons
Reef safe:
safe
Diet:
carnivore

Full Jansen Saddle Wrasse care guide →

Lined Seahorse - Captive-Bred

Hippocampus erectus

Aggression:
peaceful
Min tank:
55 gallons
Reef safe:
safe
Diet:
carnivore

Full Lined Seahorse - Captive-Bred care guide →

Related compatibility checks

See if they fit YOUR tank →