( All About Sharks )
Choose a Category Below
TYPES OF SHARKS
SHARK CHAT FORUM
Threat Level: low
- BLACKNOSE SHARK
Scientific Name.... Carcharhinus
Family Name...... Carcharhinidae
- General Information: Blacknose sharks are a
relatively small species of sharks. They have a distinctive dark
spot on the tip of their moderately long and rounded snout, hence
their name (blacknose shark) though it tends to fade with age. The
second dorsal fin and tail fin have dark tips. They have the elongate,
sleek bodies common of the requiem family of sharks. Both the
first dorsal fin and the pectoral fins are small, and upper lobe
of the tail fin is longer than the lower lobe, and the gill slits
- Size: An adult blacknose shark can average
a length of 4.1 and reaching a maximum size of 4.6 feet. This shark
commonly weighs about 22 pounds at maturity.
- Teeth: Teeth on the upper jaw are moderately
narrow and triangular with oblique cusps along with coarser serrations
along the bases than the tips. The lower jaw also has cusped serrated
teeth with broad bases. The upper jaw of the blacknose shark has
12-13 rows of teeth on each side width 11-12 rows on the lower
- Color: The blacknose shark is gray to greenish
gray to brown, and because of this coloration blacknose sharks
are often confused with lemon sharks. They have a black or dusky
tips on the second dorsal fin and dosal caudal lobe.
They have a black spot under the tip of their snout which makes
this shark easy to distinguish from their gray shark species.
- Feeding Habits: Blacknose sharks are fast,
and voracious species that feed on small fishes including croakers,
porcupine fish, porgies, anchovies, spiny box fishes and pinfish.
It is also known to feed on octopus and is sometimes eaten by
- Social Behaviour: Blacknose sharks occur singly
or in groups. When threatened, it exhibits a "hunch"
display: this shark arches its back, raises its head, and lowers
- Habitat | Migration | Distribution: The blacknose
shark is a common shark in inshore and moderately deep waters
of the western Atlantic Ocean ( North Carolina to the Bahamas
to south eastern Brazil ), including the Caribbean Sea, and the
Gulf of Mexico.
- Reproduction: It is viviparous, of a gestation
period of 8-9 months long and 3-5 pups in each litter. The blacknose
shark mates in the fall and gives birth spring-summer. This species
have a very fast growth rate and mature in about 2 years.
- Blacknose Shark Attacks: This shark poses little
threat to humans and has never been reported in a shark attack
- Population Report: Unknown.
copyright . AASharks is owned and operated by 'C26 Web