---
title: "Sicklefin Lemon Shark"
description: "Negaprion acutidens — Pesci. The sicklefin lemon shark (Negaprion acutidens) or sharptooth lemon shark is a species of requiem shark belonging to the family Carcharhinidae, widely distributed in the tropical waters of the Indo-Pacific."
canonical: https://animalchecklist.com/it/animal/sicklefin-lemon-shark
last_updated: 2026-09-20
---

# Sicklefin Lemon Shark

> Negaprion acutidens — Pesci. The sicklefin lemon shark (Negaprion acutidens) or sharptooth lemon shark is a species of requiem shark belonging to the family Carcharhinidae, widely distributed in the tropical waters of the Indo-Pacific.

- Scientific name: *Negaprion acutidens*
- Category: `fish` (Pesci)
- Habitats: `sea` (Mare e costa)
- iNaturalist observations: 535
- Wikidata: [Q604191](https://www.wikidata.org/wiki/Q604191)
- iNaturalist taxon: [106649](https://www.inaturalist.org/taxa/106649)

## Names

- en: Sicklefin Lemon Shark
- de: Sichelflossen-Zitronenhai
- es: Tiburón Segador
- fr: Requin limon faucille
- nl: Sikkelvincitroenhaai

## Countries with the most observations

AU (220), PF (88), SC (53), FJ (33), MV (30), TW (10), NC (5), SA (5), IO (4), JP (4), PW (3)

## Summary

The sicklefin lemon shark (Negaprion acutidens) or sharptooth lemon shark is a species of requiem shark belonging to the family Carcharhinidae, widely distributed in the tropical waters of the Indo-Pacific. It is closely related to the better-known lemon shark (N. brevirostris) of the Americas; the two species are almost identical in appearance, both being stout-bodied sharks with broad heads, two dorsal fins of nearly equal size, and a plain yellow-tinged coloration. As its common name suggests, the sicklefin lemon shark differs from its American counterpart in having more falcate (sickle-shaped) fins. This large…

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

## Photo

![Sicklefin Lemon Shark](https://animalchecklist.com/img/animals/sicklefin-lemon-shark/medium.jpg)

Photo: steve b · CC0 · inaturalist — https://www.inaturalist.org/observations/349722099

## Machine access

`GET https://animalchecklist.com/api/v1/animals/sicklefin-lemon-shark?lang=it` — see [openapi.json](https://animalchecklist.com/openapi.json).