1. White tip reef shark (Triaenodon obesus):
- Size: White tip reef sharks typically grow up to 6-7 feet (1.8-2.1 meters) in length.
- Habitat: They are found in shallow coral reefs, often in warm tropical and subtropical waters.
- Behavior: White tip reef sharks are generally shy and timid around humans. They are more likely to flee than attack unless they feel threatened. However, they can become aggressive if cornered or if food is involved.
- Danger: White tip reef sharks have been known to bite humans, but these incidents are relatively rare and usually occur when divers get too close or harass the sharks.
2. Blacktip shark (Carcharhinus limbatus):
- Size: Blacktip sharks can grow up to 8 feet (2.4 meters) in length.
- Habitat: They are found in coastal waters and estuaries in tropical and subtropical regions. They often inhabit shallow waters near shore and can sometimes be seen near beaches.
- Behavior: Blacktip sharks are known to be more active during the day than at night. They are curious and may approach divers or swimmers, but they are not typically aggressive unless provoked.
- Danger: Blacktip sharks have been responsible for a few unprovoked attacks on humans, but these are relatively rare. Attacks usually occur in shallow water when people are wading or swimming.
Both white tip and blacktip sharks are considered potentially dangerous, and it's important to be cautious around them. While shark attacks are relatively rare, it's always advisable to avoid swimming in areas known to have high shark populations or during times of low visibility. If you encounter a shark, it's best to remain calm and avoid sudden movements that may startle the animal.