COMMON DOLPHIN - Delphinus delphis

 - Gray or black cape (upper side) with an with “V” shape under dorsal fin,
 white underside “8” shaped flanks: yellowish in front, pale gray towards the tail;

- Fast swimmers and energetic acrobats;

- Active at the surface;

- Traveling in large groups;

- Located along the whole the Strait and also in the Algeciras Bay
 sighted in the Strait of Gibraltar during the whole year;

- Threats: by catch, pollution.

 BOTTLENOSE DOLPHIN - Tursiops truncatus

 - Gray cape (upper side) with an off-white, light gray underside
 prominent curved-back dorsal fin;

- Powerful swimmers, can reach a speed up to 50 km/h;

- Highly active at the surface;

- Famous for their bow and wave-rides;

- Traveling in small groups;

- Located in the most southern area of the Strait;

- Sighted in the Strait of Gibraltar during the whole year;

- Threats: by catch, pollution, habitat destruction.

STRIPED DOLPHIN - Stenella coeruleoalba

 - Bluish gray or brownish upper side, white or pink underside
 striped shaped flanks (pale gray – bluish colour) easy to confuse with the Common Dolphin;

- Fast swimmers and amazing acrobats;

- Active at the surface;

- Can be sighted in the whole Strait and also in the Algeciras Bay, all year
 round;

- Threats: by catch, pollution.

 FIN WHALE - Balaenoptera physalus

- Second largest animal on earth after the Blue Whale;

- Baleen whale (no teeth);

- Grayish white chevron on both sides of the body
 head is 1/5 of the body lengths, has asymmetrical pigmentation (white lower right jaw);

- Blow appears as very tall, narrow, double column of spray;

- Sighted in the Strait of Gibraltar occasionally in spring and summer time;

- Threats: collisions, by catch, pollution.

 ORCA / KILLER WHALE - Orcinus orca

 - Largest member of the dolphin family;

- Jet black, brilliant white and gray marking;

- Huge (male) dorsal fin (up to 2 meters) considered top sea predators
 stay in long term social groups for life;

- Acrobatic swimmers and active at the surface: famous for breaching &
 spyhopping;

- Follow the bluefin tuna (Thunnus thynnus) on its migration
 can be found in all the seas of the world;

- Threats: bycatch, collisions, pollution and habitat loss.

PILOT WHALE - Globicephala Melas

- Belong to the dolphin family, possess small teeth;

- Jet black or dark gray color with white anchor-shaped patch on the
 underside;

- Big rounded forehead & low, thick curved dorsal fin
 long, slender flippers (pectoral fins);

- Sometimes lie motionless at the surface;

- Can dive to a maximum of 600 meters;

- Located in the deepest zones of the Strait;

- Sighted in the Strait of Gibraltar during the whole year;

- Threats: by catch, collisions, pollution.

 SPERM WHALE - Pyseter macrocephalus

- Largest toothed whale;

- Wrinkly, prune like skin, huge squares head, prominent curved-back dorsal hump;

- Known for its long and deep dives (1.000 meters), dive record: 3.000 meter;

- Between 2 dives it breaths or swims slowly (up to 15 minutes);

- Spout (blow) is low and bushy, projected forward and to the left;

- Appears in the deepest zones of the Strait;

- Sighted in the Strait of Gibraltar in winter, spring and at the beginning of summer;

- Threats: collisions, by catch, pollution.