Betta vs речной угорь

Betta splendens в сравнении с Anguilla anguilla

Taxonomy & Classification

Характеристика	Betta	речной угорь
Научное название	Betta splendens	Anguilla anguilla
Отряд	Anabantiformes	Elopomorpha
Семейство	Osphronemidae	Megalopidae
Conservation Status	Vulnerable	Critically Endangered

Physical Traits

Характеристика	Betta	речной угорь
Максимальная длина	7,0 cm	133,0 cm
Максимальный вес	0,003 kg	6,6 kg
Окраска	Highly variable in domesticated strains; wild type is dull brownish-green with iridescent blue-green scale patches; long flowing fins display intense reds, blues, purples, and teals with iridescent sheen.	Yellow-olive to olive-brown back and sides in the freshwater 'yellow eel' phase; maturing 'silver eel' phase develops a dark gray-black back with a silvery-white belly and enlarged eyes.

Habitat & Environment

Характеристика	Betta	речной угорь
Тип воды	Freshwater	Freshwater & Saltwater
Диапазон глубин	—	0-700m
Ареал обитания	Native to the Mekong River basin in Thailand, Laos, and Cambodia. Found in shallow rice paddies, irrigation ditches, ponds, and slow-moving lowland streams across the …	Spawns in the Sargasso Sea and larvae drift to European and North African coasts on the Gulf Stream. Adults inhabit rivers, lakes, and coastal waters …
Среда обитания	Shallow, densely vegetated ponds, rice paddies, and slow streams of Thailand and Southeast Asia. Tolerates oxygen-poor, warm water (24-30°C). Males highly territorial; builds bubble nests …	Estuaries

Aquarium Suitability

Характеристика	Betta	речной угорь
Минимальный объём аквариума	19 L	—
Температура	24-30	—
Диапазон pH	6.5-7.5	—
Уровень сложности содержания	Easy	—
Темперамент	Aggressive	—

Информация о рыболовстве

Характеристика	Betta	речной угорь
Спортивная рыба	Нет	Да
Боевой рейтинг	—	—
Мировой рекорд	—	—
Содержание ртути	—	—

Cuisine & Edibility

Betta

Not consumed — ornamental aquarium species prized for its flowing fins and vibrant coloration; classified Vulnerable in the wild.

речной угорь

Rich, fatty flesh with a distinctive earthy flavor; classically smoked, jellied (in Britain), or grilled kabayaki-style. Critically Endangered — consumption strongly discouraged; population down 90%.

Species Overview

Betta

The Siamese fighting fish is famous for its vibrant colors and flowing fins, developed through centuries of selective breeding. Males are highly territorial and will flare their gill covers at rivals. They possess a labyrinth organ for breathing atmospheric air.

речной угорь

The European eel undertakes one of nature's most remarkable migrations, traveling 5,000 km from European rivers to the Sargasso Sea to spawn and die. Despite centuries of study, its breeding grounds were only recently confirmed.