10 most difficult fish riddlesFish quiz
Which sea animal captures have grown significally since 1970?
In the 1990s several cod stocks collapsed due to overfishing. With the large predatory fish removed, their prey have undergone population explosions, and the capture of lobster has tripled since 1970.
What fish is that?
The garfish is found in brackish and marine waters of the Atlantic Ocean and the Mediterranean, Caribbean, Black, and Baltic Seas. It is a long and slender fish with a laterally compressed body. They have unusual green bones (due to the presence of biliverdin) which discourages many people from eating them, but the green colour is harmless.
Which dangerous fish breathes atmospheric air?
Electric eel lives in muddy floodplains of Orinoco basin. It is well adapted to this low-oxygen environment: it can breathe atmospheric air using a vascularized respiratory organ in its oral cavity. In fact, electric eels must rise to the surface every 10 minutes and inhale, otherwise they die not having enough oxygen from the gill.
The largest contemporary fish living exclusively in freshwater is ...
Beluga (Huso huso)
Arapaima (Arapaima gigas)
Pangaz (Pangasianodon gigas)
Chinese Paddlefish (Psephurus gladius)
The arapaima, pirarucu, or paiche are any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Genus Arapaima is the type genus of the family Arapaimidae. They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft).
What fish is that?
green neon tetra
The neon tetra is native to blackwater and clearwater streams in the Orinoco and Amazon basin of South America. Its bright colouring makes the fish visible to conspecifics in the dark blackwater streams, and is also the main reason for its popularity among tropical fish hobbyists. It is often confused with the cardinal tetra, but its red coloration extends only about halfway to the nose, and its blue stripe is a less vibrant blue.
What is that popular aquarium fish called?
Kissing gouramis are large tropical freshwater fish originating from Thailand to Indonesia. The are very popular aquarium fish, but they can also be food fish which are farmed in their native Southeast Asia.
Which country in the world captures the most fish?
China, with one-fifth of the world's population, accounts for one-third of the world's reported fish production and two-thirds of the worlds reported aquaculture production. The Chinese fishing fleet has access to numerous distant fishing grounds through agreements with foreign countries. That includes West African coast and North and South Pacific.
What is the top speed of the sailfish, considered to be the fastest fish in the world?
up to 50 mph
up to 70 mph
up to 90 mph
well over 100 mph
Clocked at speeds in excess of 68 mph, some experts consider the sailfish the fastest fish in the world. Easily recognized, sailfish are named for the spectacular sail-like dorsal fin that extends for nearly the entire length of their silver-blue body. Additionally, the sailfish's upper jaw is far longer than its lower jaw, forming a distinctive bill that looks like—and sometimes acts like—a spear.
Which fish has meat with ammonia smell?
Sharks are very primitive and they lack a urinary system. Instead, sharks carry urea in their blood and excrete it through their flesh by osmosis. After a shark dies, its urea turns to ammonia, which can permeate the flesh.