---
title: "Rhombic Night Adder"
description: "Causus rhombeatus — Reptiles. Causus rhombeatus, commonly known as the rhombic night adder, is a species of venomous snake in the subfamily Viperinae of the family Viperidae."
canonical: https://animalchecklist.com/animal/rhombic-night-adder
last_updated: 2026-09-20
---

# Rhombic Night Adder

> Causus rhombeatus — Reptiles. Causus rhombeatus, commonly known as the rhombic night adder, is a species of venomous snake in the subfamily Viperinae of the family Viperidae.

- Scientific name: *Causus rhombeatus*
- Category: `reptiles` (Reptiles)
- Habitats: unknown
- iNaturalist observations: 1184
- Wikidata: [Q1615547](https://www.wikidata.org/wiki/Q1615547)
- iNaturalist taxon: [30820](https://www.inaturalist.org/taxa/30820)

## Names

- en: Rhombic Night Adder
- de: Krötenotter
- nl: Common night adder

## Countries with the most observations

ZA (1066), ZM (21), ZW (11), TZ (5), BW (4), MW (4), SZ (4), AO (3), ET (3), KE (3)

## Summary

Causus rhombeatus, commonly known as the rhombic night adder, is a species of venomous snake in the subfamily Viperinae of the family Viperidae. The species is native to Sub-Saharan Africa. No subspecies are recognized as being valid.

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

## Photo

![Rhombic Night Adder](https://animalchecklist.com/img/animals/rhombic-night-adder/medium.jpg)

Photo: Dan Lee · CC0 · inaturalist — https://www.inaturalist.org/observations/267926619

## Machine access

`GET https://animalchecklist.com/api/v1/animals/rhombic-night-adder?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).