Marine life profile
Tuna
Recorded at 1066 dive sitesWhere divers encounter it
Explore Tuna around the world
Tuna are saltwater fish belonging to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. It follows a daily rhythm of feeding, sheltering and interacting with rivals, partners or a larger school.
Meet the species
What to look for
How to Recognize It
Use body shape, fin outline, color pattern and swimming style to separate it from the surrounding reef community.
How It Behaves
It follows a daily rhythm of feeding, sheltering and interacting with rivals, partners or a larger school.
Special Ability
Precise fins and a body shaped for its niche let it turn, hover or accelerate exactly where food and shelter demand.
Dive responsibly
Share the water well
How to Approach
Move slowly at the same depth, avoid swimming directly at it and let the fish resume its normal behavior.
Safety
Usually safe to observe at a respectful distance. Never feed, corner or touch a fish, especially near nests or cleaning stations.
Worth knowing
The detail you remember
Interesting Facts
The Thunnini comprise 15 species across five genera, the sizes of which vary from the bullet tuna to the Atlantic bluefin tuna, which averages 2 m (6.6 ft) and is believed to live up to 50 years.
Where to Find
Look around coral structure, rocky reef, wrecks and current lines where shelter and food meet.
Known countries
Sightings map
Tuna locations
Plan a dive
Dive sites with reported encounters
Confetti Bay
Mauritius
A firm favourite in the North, a shallow dive site with a slight drop off to a max of 30 m. An ideal training site for PADI Open Water Divers, or a PADI Search and Recovery Specialty, Fish ID, Naturalist or PADI Advanced Open Water Course! So many schools of fish to swim with and enjoy stunning visibility and beautiful colour. Great for macro.
St. Didier Wreck
Turkey
St Didier has been sunked by an English aeroplane in 4th of July 1941 durin WW2. The ship whose real name was "Saint Didier", is lying right under the buoy which is an untired guard of the Antalya yatch harbour, 1 km away from there. With her bow looking to south and stern looking to the north, she is lying between 18 and 34 meters with an 35 degrees angle to the starport side. Her length is around 70 meters. In the studies done between 1946 and 1974 , they salvaged the skeletons and a lot of the ship's cargo. There is nothing much left as an artifact in the wreck becase of the later dives where everyone took some part of the wreck as a souvenier. But still she is getting the interest of the wreck divers.
Djabeda Wreck
Republic of Mauritius
One of the most spectacular dive sites in the North of the island. The Djabeda Wreck is a 44 metre long, 10-metre high Japanese fishing boat. It's become a beautiful artificial wreck with soft and hard corals, and areas of dislodged debris with loads of life. Schooling fish, barracudas, stone fish, lion fish, tuna and rays can be seen in the sand. We can swim off the Djabeda on to Confetti Bay at Coin De Mire island to finish off the dive. An ideal place to start your PADI Deep Diver Specialty or your PADI Wreck Specialty with us. Best enjoyed on Nitrox!
Drop Off
Philippines
Rising dramatically from the depths of 150 meters to kiss the surface, these twin pinnacles offer one of the most exhilarating dives in the Philippines. Only their coral-encrusted tips break the surface, hinting at the explosion of marine life that thrives below. What makes this site truly unforgettable is its crystal-clear visibility and the exhilarating drift when the currents pick up — and they can get powerful! On the southern side, you’ll descend along a breathtaking vertical wall that drops deep, while a plateau at around 10 meters features intricate ridges and fascinating rock formations. This is a dive where anything can appear. Cast your eyes into the blue for schooling tuna, jackfish, and the occasional cruising ray. Along the wall, you’ll be surrounded by clouds of orange anthias and butterflyfish, with every crevice home to critters like blennies, lionfish, pufferfish, moray eels, nudibranchs, and so much more. It's an underwater spectacle that never disappoints.
Gabr el Bint
Egypt
Gabr el Bint ranks among one of the most attractive sites of North Sinai. With the access by boat, 4x4 or by camel, it is less frequently dived than the other dive sites in Dahab which has left this site in pristine condition. Gabr el Bint means 'The Grave of the Girl' in Arabic. There are two dives possible here. The ledge is riddled with exquisite coral heads that attract numerous reef species, including swarms of anthias, scorpionfish, parrotfish, crocodilefish, surgeonfish, triggerfish, trumpetfish, stingrays and very often a turtle. At the end of the ledge usually is home to a shoal of black and white snappers and twinspot snappers hang here between 5m and 10m. One of the truly breathtaking dives in Dahab.
Kandooma Thila
Maldives
Kandooma Thila, or also called Cocoa Thila, is one of the most exciting dives in South Male’ Atoll with great scenery as well as prolific fish life. The west and north side are the most spectacular, with the top at 16m. These are a focal point for schools of Bluefin Trevallies, eagle rays, dogtooth tunas and loose groups of gray reef sharks (50+ in the right current). Cleaning station for grey reef , you can see them going in a vertical position while small wrasses are cleaning them. Currents can be very strong making it a challenging dive. For experienced divers only.
1000 Rocks
Maldives
1000 Rocks is located within the marine nature reserve. The entry is north of the Faru. The sandy plateau falls from 5-15 meters and is sprinkled with lovely coral formations. From a depth of 18m onwards, there are large caverns beautifully decorated with many types of soft corals.
4 PARED DE LAS GORGONIAS
Spain
This dive has beautiful gorgonians from 22m to 29m (maximum depth 29 m). Descending the western slope of the Crater, we find this underwater valley that stands out for the presence of different spectacular gorgonians to inspect them closely.
40 Kafalar
Turkey
This dive site is popular with those who like to do deep and drop-off dives. The site is between Pınar-1 wreck and Poyraz Bay. It is usually windy and choppy. The dive site has a drop-off first down to 17 m then to 45+ m.
Abu Dabour
Egypt
The nearby jetty can be used to enter this dive or you can enter from the shore through a very nice small canyon leading you to the clear blue water. This dive starts with a sloping sand bottom where you can choose to head to the north or south reef.
Abu Rashid Wall
Oman
Roughly 1 hour away from Khasab harbour is Abu Rashid wall. This dive site goes to 50+ metres, there can often be strong currents however they vary alot depending on the conditions, tides etc.
adam faru
Maldives
Very nice landscape with beautiful coral rock formations between 5 and 20 meters. In between the rock formations are sandy plateaus with leather and soft corals. Torch and camera recommended.
Admiral 1
Maldives
It is one of the channels on the Western side of the atoll that can be crossed with mild current or entered with medium/strong current. Usually found on the outer side: stingrays, grey reef sharks, napoleon wrasses, fusiliers and many more reef fish.
Agatti Edge
India
The edge of the lagoon. Gently slopes from 8m to 35m and the a 12m wall leading to another gradual slope to depth. The slope has coral laden reefs with a few sandy patches.
Agi Anna
Greece
Dive under the famous monastery of the film big blue . Flat up to 18m then a wall dropped till 40 m . Excellent visibility and no currents makes this deep dive site very safe
Agia matrona shipwreck
Greece
4 Miles away of Linaria Port, close to diavati islet , is Agia Matrona Wreck. It is a 84 meters Cargo Ship sunk in 1983. The wreck starts from 23 to 55 meters and it lays on her left side in excellent condition.
Agujeros azules
Spain
The Blue Holes is one of most iconic dives in Portinatx. This diving spot is located in front of the beautiful Xarraco point, a few meters from the coast.
Aiyabe Thila (Hollywood)
Maldives
One of the best dive sites in this area, it offers almost everything. Top Reef 5 Meters , excellent for safety stop. Big overhangs with fantastic coral life, schooling fishes and predators wich hunt for them . Negative decent needed if there is current
Akyar Duvar
Turkey
A spot for advanced and experienced divers. A point where the current is and suddenly deepens. From time to time, visibility may be impaired due to the current, so it is necessary to pay attention to group control
Al Kahfain (Wreck)
Egypt
At the Al Kahfain you can only stop at the south wind, otherwise, the wreck can only be dived in a one-way dive. You jump off the boat at the wreck and then dive past the wreck, right shoulder over the coral garden, then back to the anchorages on the east side of Shaab Sheer.
Al Munassir Wreck
Oman
Al Munassir wreck was a Navy vessel 84 m long sunken on porpose in 2003. The vessel lays between 25 and 30 m of depth in navigation position.The wreck is house of many fishes, and abundant biodiversity
alimas faru
Maldives
Easy dive along the inside reef and around a thila. If the current allows it, it is also very nice to dive the small thila on the north west side.
Ambrósio
Portugal
Imagine a dive site you can reach by daily trips from Santa Maria Island where, when the water temperature is, more or less above 22 ºC (between July and October), on more than 90% of the dives there, you can have many big mantas (mobulas) around you all the time – sometimes with more than 30 mobulas.
Amingiri Sandbank Reef
Maldives
What seems to be a rather “unspectacular” sandbank reveals itself as a very pretty dive site. Having said that, sandbanks are never really unspectacular in the Maldives but you wouldn’t expect a very pretty wall ranging from 3 to 30 meters when looking at the pristine white sand on top of the reef.