Common name: Bumphead Parrotfish

Scientific name: Bolbometopon muricatum (Valenciennes, 1840)

General Information

The Bumphead Parrotfish, scientifically known as Bolbometopon muricatum, is the largest species of parrotfish, reaching impressive sizes that can make them a spectacle in the wild. With their prominent, bulbous forehead and beak-like teeth, they are easily recognizable and have earned a reputation for their unique feeding habits. These fish are not typically kept in home aquariums due to their size and specific care requirements, but they are a fascinating species for public aquariums and marine enthusiasts.

Bumphead Parrotfish play a crucial role in coral reef ecosystems by grazing on algae and dead coral, helping to maintain the balance of the reef environment. They are also important for their contribution to sand production, as they excrete sand after digesting coral. This ecological role, combined with their striking appearance, makes them a subject of interest for conservationists and marine biologists.

Details

Recommended minimum tank volume
10,000 liter (2,600 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8.1 to 8.4
Average size
1.5 m (4′11″)
Care level
Very difficult Not suitable for home aquariums; requires large public aquarium settings
Diet
Herbivore Feeds on algae and coral in the wild; requires similar diet in captivity
Social
School Forms large schools in the wild, especially during spawning
Reefsafe
No Not reefsafe; can damage coral structures when feeding
Aggression
Peaceful Generally peaceful but requires space due to large size
Captive bred
No
IUCN Red List
EX
EW
CR
EN
VU
NT
LC

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Parrotfish
    Scaridae
  6. Genus
    Bumphead Parrotfish
    Bolbometopon
  7. Species
    Bumphead Parrotfish
    Bolbometopon muricatum (Valenciennes, 1840)
  8. Synonyms
    Bolbomatopon muricatum (Valenciennes, 1840)
    Bolbometopon muricantum (Valenciennes, 1840)
    Bulbometopon muricatum (Valenciennes, 1840)
    Callyodon muricatus (Valenciennes, 1840)
    Callyodon shimoniensis Smith, 1953
    Scarus muricatus Valenciennes, 1840
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Due to their large size and specific environmental needs, Bumphead Parrotfish are not suitable for home aquariums. They require a vast amount of space and a habitat that mimics their natural reef environment. Public aquariums with the necessary resources can provide the appropriate care, ensuring stable water conditions and a diet that replicates their natural feeding habits.

Diet and Feeding

In the wild, Bumphead Parrotfish are primarily herbivores, feeding on algae and coral. Their powerful jaws allow them to break down hard coral structures to access the algae within. In captivity, their diet should consist of a variety of algae and other plant materials, supplemented with foods that provide essential nutrients for their health.

Behavior and Compatibility

Bumphead Parrotfish are generally peaceful but can be seen as intimidating due to their size and feeding behavior. They are best suited for large, species-specific exhibits in public aquariums where they can be observed in a setting that accommodates their natural behavior.

Reproduction

Little is known about the breeding habits of Bumphead Parrotfish in captivity, as they are challenging to breed due to their size and environmental needs. In the wild, they are known to form large spawning aggregations, which are critical for their reproduction.

Health and Common Issues

In captivity, maintaining the health of Bumphead Parrotfish requires careful attention to water quality and diet. They are susceptible to stress and disease if their environmental needs are not met. Regular monitoring and adjustments to their habitat are necessary to ensure their well-being.

Habitat

Bumphead Parrotfish are found in coral reefs and lagoons across the Indo-Pacific region. They prefer shallow waters where they can graze on algae and coral. Their natural habitats are characterized by warm water temperatures and abundant coral formations.

Conservation Status

Bumphead Parrotfish are listed as Vulnerable on the IUCN Red List due to overfishing and habitat degradation. Conservation efforts focus on protecting their natural habitats and regulating fishing practices to ensure their survival. It is crucial for public aquariums and marine parks to educate visitors about the importance of conserving this unique species and the ecosystems they inhabit.