📸 PhotoPhoto: Dennis Otten · CC BY-SA 3.0 · Wikimedia Commons Source
Amazon River Dolphin
Inia geoffrensis (Amazon River Dolphin · アマゾンカワイルカ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 A male's maximum body length of 2.55 m is about 1.5 times the height of a 1.7 m adult (Comparison).
- 💡 Its maximum weight of 207 kg equals the weight of three and a half adults (about 60 kg each) (Comparison).
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The Amazon River Dolphin is a freshwater dolphin living in the Amazon and Orinoco rivers, and adults are pinkish in color.
🦴 2. Anatomy & Morphology
Because its neck vertebrae are unfused, it can turn its head in all directions, and it has a low ridge instead of a dorsal fin. It swims among flooded forests using its wide tail fluke and pectoral flippers.
🔍 3. Ecology & Behavior
It feeds on more than 43 species of fish as well as river turtles and crabs, eating about 2.5% of its body weight each day. Usually solitary, its gestation period is about 11 months.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List EN (2018) — https://www.iucnredlist.org/species/10831/50358152
- • IUCN Red List category EN — latest assessment at iucnredlist.org
- • mammaldiversity.org — 1006456
- • iucnredlist.org — 50358152
- • wikidata.org — Q205329
- • commons.wikimedia.org — File:Inia.jpg
- • animaldiversity.org — Inia geoffrensis
- • Silhouette: PhyloPic — author not recorded · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.