Common name: Bullneck seahorse

Scientific name: Hippocampus minotaur Gomon, 1997

General information

The Bullneck Seahorse, scientifically known as Hippocampus minotaur, is a captivating and relatively rare species in the seahorse family. This species is distinguished by its robust and thickened neck, resembling that of a bull, which is a unique feature among seahorses. They are not commonly found in the aquarium trade due to their rarity and specific care requirements.

Details

Recommended minimum tank volume
75 liter (20 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
20 to 24 °C (68 to 75 °F)
Acidity
pH 8.1 to 8.4
Average size
7 cm (3″)
Care level
Moderate to easy Sensitive to water quality
Diet
Carnivore Live small crustaceans
Social
Pair Pairs are often monogamous
Reefsafe
Yes
Aggression
Peaceful
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Pipefishes
    Syngnathiformes
  5. Family
    Pipefishes
    Syngnathidae
  6. Genus
    Seahorse
    Hippocampus
  7. Species
    Bullneck seahorse
    Hippocampus minotaur Gomon, 1997

Care

Bullneck Seahorses require a specialized environment to thrive in captivity. They need a mature, stable aquarium with plenty of hitching posts such as soft corals or macroalgae. These seahorses are slow, deliberate feeders and prefer live foods like brine shrimp, copepods, and other small crustaceans. Consistent water quality with low flow rates is essential to prevent stress and maintain their health.

Reproduction

Like other seahorses, Hippocampus minotaur exhibits fascinating reproductive behavior. The males carry the fertilized eggs in a brood pouch until they hatch. The courtship display is intricate and involves synchronized swimming and color changes. Breeding them in captivity is challenging and typically only attempted by experienced hobbyists or professionals.

Habitat

The Bullneck Seahorse is native to the deep waters off the southern coast of Australia. They are typically found at depths ranging from 80 to 100 meters, where they inhabit rocky reefs and seagrass beds. Due to their deep-water habitat, they are not often encountered by divers, adding to their mystique and rarity.