Brazilian Seahorse Care Guide

Hippocampus reidi · Saltwater Seahorse

Brazilian Seahorse
AI-generated illustration of Brazilian Seahorse
Adult size
~7.9″ (20 cm)
Suggested tank
30+ gal
Placement
Middle to Upper
Flow
Low to Medium

What Brazilian Seahorse look like

The Brazilian Seahorse, Hippocampus reidi, exhibits a distinctive elongated body structure, characterized by a prehensile tail and a series of bony plates that provide structural support. Adults typically reach a maximum size of approximately 6 to 8 inches (15 to 20 cm) in length. Sexual dimorphism is evident, with males possessing a brood pouch located on the ventral side, which is used for carrying fertilized eggs, while females are generally larger and more robust. Unique to this species are the elongated dorsal fin and the presence of a pronounced coronet on the head, which varies in shape among individuals. Their coloration can range from yellow to brown, often with mottled patterns that provide camouflage in their natural habitats. Defensive adaptations include the ability to change color to blend with their surroundings and a lack of traditional fin structures, relying instead on their dorsal fin for propulsion.

Behavior & temperament

Brazilian Seahorses are generally solitary or found in loose aggregations, exhibiting a non-territorial behavior. They are typically found at varying depths, often hovering in the water column or clinging to seagrasses and corals using their prehensile tails. Breeding behavior is notable, as males perform a courtship dance that involves synchronized swimming and color changes to attract females. The species is relatively peaceful, but males can exhibit aggression towards one another during mating displays. Their feeding behavior is characterized by a suction feeding mechanism, where they consume small crustaceans and zooplankton, demonstrating a unique method of prey capture without the need for active pursuit.

Diet & feeding

In the wild, the Brazilian Seahorse primarily feeds on small crustaceans, such as mysid shrimp and copepods. In captivity, they require a diet rich in live or frozen foods, including enriched brine shrimp and other small marine invertebrates.

Behind the name

The genus name 'Hippocampus' is derived from the Greek words 'hippos' meaning 'horse' and 'kampos' meaning 'sea monster', while the species name 'reidi' honors the American zoologist Dr. William H. Reid.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Brazilian Seahorse?

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