Common name: Lemon Shark

Scientific name: Negaprion brevirostris (Poey, 1868)
Lemon Shark (Negaprion brevirostris), scuba diving TahitiLemon Shark (Negaprion brevirostris), scuba diving Tahiti
Lemon SharkLemon Shark at the Bahamas

General Information

The Lemon Shark, scientifically known as Negaprion brevirostris, is a large and robust species that has captured the fascination of both marine enthusiasts and researchers. This species is named for its yellow-brown coloration, which provides excellent camouflage in its sandy, shallow-water habitats. While not a common choice for home aquariums due to its size and care requirements, the Lemon Shark is often seen in large public aquariums where its impressive presence can be appreciated.

Lemon Sharks play a significant role in marine ecosystems as apex predators, helping to maintain the balance of species below them in the food chain. They are also important for scientific research, particularly in studies related to shark behavior and physiology.

Details

Recommended minimum tank volume
100,000 liter (26,000 gallons)
Salinity
S.G. 1.022 to 1.025
Temperature
24 to 27 °C (75 to 81 °F)
Acidity
pH 8 to 8.5
Average size
3 m (10′)
Care level
Very difficult
Diet
Carnivore Feeds on fish, crustaceans, and cephalopods
Social
Solo Best kept solo due to size and territorial nature
Reefsafe
No
Aggression
Semi aggresive Docile but can be territorial
Captive bred
No
Trade regulationsSource: Species+
CITES Appendix II / EU Annex B (Carcharhinidae spp.)
Conservation statusSource: IUCN Red List
ExtinctThreatenedLeastConcern

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Sharks and Rays
    Elasmobranchii
  4. Order
    Ground Sharks
    Carcharhiniformes
  5. Family
    Requiem sharks
    Carcharhinidae
  6. Genus
    Lemon Shark
    Negaprion
  7. Species
    Lemon Shark
    Negaprion brevirostris (Poey, 1868)
  8. Synonyms
    Apriondon brevirostris Ben-Tuvia, 1963
    Hypoprion brevirostris Poey, 1868
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Due to their large size and specific care requirements, Lemon Sharks are not suitable for home aquariums. They require extensive space to swim and thrive, typically only found in large public aquariums. These facilities can provide the necessary environment that mimics their natural habitat, including large tanks with ample swimming space and water quality management systems.

Diet and Feeding

Lemon Sharks are carnivorous, feeding on a variety of prey including fish, crustaceans, and cephalopods. In captivity, they are typically fed a diet of fresh or frozen fish and squid. It is crucial to provide a varied diet to mimic their natural feeding habits and ensure they receive all necessary nutrients.

Behavior and Compatibility

Lemon Sharks are known for their relatively docile nature compared to other shark species, though they can be territorial. They are often solitary but can be found in groups, especially during breeding season or in areas with abundant food.

Due to their size and predatory nature, they are incompatible with most other aquarium species and should be housed alone or with other large marine animals in controlled environments.

Reproduction

Lemon Sharks are viviparous, meaning they give birth to live young. The gestation period lasts about 10 to 12 months, after which females give birth to a litter of 4 to 17 pups. Breeding typically occurs in shallow nursery areas where the young can grow with relative safety from predators.

Symbiosis

While Lemon Sharks do not form symbiotic relationships like some other marine species, they are often accompanied by remoras, or "suckerfish," which attach to the shark's body. The remoras benefit by feeding on the shark's leftovers and gaining protection, while the shark is largely unaffected by their presence.

Health and Common Issues

In captivity, the health of Lemon Sharks depends heavily on water quality and diet. They require regular health checks to monitor for diseases common in captive marine animals, such as fungal infections or parasitic infestations. Ensuring a clean environment and a balanced diet are key to maintaining their health.

Habitat

Lemon Sharks are typically found in subtropical waters along the coasts of the Americas and West Africa. They inhabit shallow coastal areas, including mangroves and estuaries, where they can easily hunt for food. These environments provide the warm temperatures and ample food supply necessary for their survival.

Conservation Status

Currently, the Lemon Shark is listed as "Vulnerable" on the IUCN Red List due to habitat loss and fishing pressures. Conservation efforts focus on protecting their natural habitats and regulating fishing practices to ensure sustainable populations.