---
title: "Pęz dwubarwny"
description: "Hydrophis platurus — Gady. The yellow-bellied sea snake (Hydrophis platurus) is an extremely venomous species of snake from the subfamily Hydrophiinae (the sea snakes) found in tropical oceanic waters around the world except for the Atlantic Ocean."
canonical: https://animalchecklist.com/pl/animal/yellow-bellied-sea-snake
last_updated: 2026-09-20
---

# Pęz dwubarwny

> Hydrophis platurus — Gady. The yellow-bellied sea snake (Hydrophis platurus) is an extremely venomous species of snake from the subfamily Hydrophiinae (the sea snakes) found in tropical oceanic waters around the world except for the Atlantic Ocean.

- Scientific name: *Hydrophis platurus*
- Category: `reptiles` (Gady)
- Habitats: `sea` (Morze i wybrzeże)
- iNaturalist observations: 978
- Wikidata: [Q1247379](https://www.wikidata.org/wiki/Q1247379)
- iNaturalist taxon: [35164](https://www.inaturalist.org/taxa/35164)

## Names

- en: Yellow-bellied Sea Snake
- de: Plättchen-Seeschlange
- es: Serpiente marina pelágica
- fr: Hydrophide bicolore
- nl: Samengedrukte zeeslang
- pt: Cobra-do-mar-pelágio
- pl: Pęz dwubarwny

## Countries with the most observations

MX (309), CR (186), AU (121), PA (48), CO (25), ZA (24), IN (20), NI (16), EC (15), NZ (10), TH (9), AE (7)

## Summary

The yellow-bellied sea snake (Hydrophis platurus) is an extremely venomous species of snake from the subfamily Hydrophiinae (the sea snakes) found in tropical oceanic waters around the world except for the Atlantic Ocean. For many years, it was placed in the  monotypic genus Pelamis, but recent molecular evidence indicates it lies within the genus Hydrophis.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Yellow-bellied_sea_snake

## Photo

![Pęz dwubarwny](https://animalchecklist.com/img/animals/yellow-bellied-sea-snake/medium.jpg)

Photo: Drew Baxter · CC0 · inaturalist — https://www.inaturalist.org/observations/263548707

## Machine access

`GET https://animalchecklist.com/api/v1/animals/yellow-bellied-sea-snake?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).