One species of electrical eel, Electrophorus voltai, has honest not too long ago been seen residing and trying in groups of up to a hundred folk. Their collective trying technique and excessive discharge helps them overwhelm full of life shoals of itsy-bitsy prey.

Many of the day and night eels relaxation as a neighborhood at the bottom of lakes.

At ruin of day and dusk, when gentle intensity is low, they migrate to a shallow trying win 22 situation.

Herding thousands of itsy-bitsy fish staunch into a prey ball, they have interaction turns zapping them.

Alarmed fish flee up, tumble motivate into the water, and web swallowed alive.

Seven minutes later they zap but again. In about one hour eels can launch five to seven predatory assaults.

Through electricity generation, E. voltai reigns supreme among all three electric eel species. Their payment will also be seven instances stronger than a wall socket’s.

E. voltai

860 V

E. varii

572 V

E. electricus

480 V

120 V

E. voltai

860 V

E. varii

572 V

E. electricus

480 V

120 V

Electrical eel anatomy is terribly contemporary. Eighty p.c of the physique is taken up by three electric organs, confining the mandatory organs to a itsy-bitsy win 22 situation in the motivate of the prime.

Sachs’s electric organ

Predominant

A will must contain organs

Hunter’s

Max. length: 8 feet

Sachs’s electric organ

Predominant

A will must contain organs

Max. length: 8 feet

Hunter’s

Intestine

Pores in the prime and physique contain receptors that detect electrostatic fields.

Abdominal

Liver

Heart

Breathing organ

Thousands of excitable cells called electrocytes originate up the eel’s electric organs. The voltage one particular person can generate is the sum of the total itsy-bitsy expenses produced by the electrocytes.

Spinal wire

Swim bladder

Pores in the prime and physique contain receptors that detect electrostatic fields.

Kidney

Abdominal

Intestine

Liver

Heart

Thousands of excitable cells called electrocytes originate up the eel’s electric organs. The voltage one particular person can generate is the sum of the total itsy-bitsy expenses produced by the electrocytes.

Breathing organ

Spinal wire

Swim bladder

Pores in the prime and physique contain receptors that detect electrostatic fields.

Kidney

Abdominal

Intestine

Liver

Heart

Thousands of excitable cells called electrocytes originate up the eel’s electric organs. The voltage one particular person can generate is the sum of the total itsy-bitsy expenses produced by the electrocytes.

Breathing organ

Spinal wire

Swim bladder

Pores in the prime and physique contain receptors that detect electrostatic fields.

Kidney

Abdominal

Intestine

Thousands of excitable cells called electrocytes originate up the eel’s electric organs. The voltage one particular person can generate is the sum of the total itsy-bitsy expenses produced by the electrocytes.

Liver

Heart

Breathing organ

Electrical eels are discovered in tropical South The United States. E. varii developed in lowland waters that had been sunless, leisurely flowing, and mineral-rich. E. electricus and E. voltai tailored to highland rivers where water is evident and mineral-disadvantaged.

E. varii

7.1 million years ago

E. electricus

3.6 mya

E. voltai

GUYANA

SURINAME

COLOMBIA

AMAZON

ECUADOR

BASIN

BRAZIL

PERU

500 mi

500 km

E. varii

7.1 million years ago

E. electricus

3.6 mya

E. voltai

GUYANA

SURINAME

FRENCH GUIANA (FR.)

COLOMBIA

AMAZON

Eel sample

ECUADOR

BASIN

PERU

BRAZIL

500 mi

500 km

Construction: Kennedy Elliott, NG group. Video: Douglas Bastos and Gabriel Verçoza. Sources: David Santana, Smithsonian Institution; Douglas Bastos, INPA; Philip Stoddard, Florida Worldwide University