---
title: "Brown Smooth-hound"
description: "Mustelus henlei — Ryby. The brown smooth-hound (Mustelus henlei) is a houndshark of the family Triakidae."
canonical: https://animalchecklist.com/pl/animal/brown-smooth-hound
last_updated: 2026-09-20
---

# Brown Smooth-hound

> Mustelus henlei — Ryby. The brown smooth-hound (Mustelus henlei) is a houndshark of the family Triakidae.

- Scientific name: *Mustelus henlei*
- Category: `fish` (Ryby)
- Habitats: `sea` (Morze i wybrzeże)
- iNaturalist observations: 153
- Wikidata: [Q2657865](https://www.wikidata.org/wiki/Q2657865)
- iNaturalist taxon: [106258](https://www.inaturalist.org/taxa/106258)

## Names

- en: Brown Smooth-hound
- de: Brauner Glatthai
- es: Cazón aleta deshilachada
- nl: Bruine toonhaai

## Countries with the most observations

US (132), MX (7)

## Summary

The brown smooth-hound (Mustelus henlei) is a houndshark of the family Triakidae. The reproduction of this shark is viviparous. The brown smooth-hound reaches a maximum reported size of 95.0 cm and a minimum of 27.6cm amongst males while females can range from 25.7 cm to 100 cm although males reach their asymptotic length sooner than females. The average size of this species is between 50 and 70 cm and is between 19 and 21 cm at birth. Females at maternity are around 67.6 cm long whereas the average length at maturity is 63.6 cm for males and 65.6 cm for females. This species is a ground shark and has a heterocercal…

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

## Photo

![Brown Smooth-hound](https://animalchecklist.com/img/animals/brown-smooth-hound/medium.jpg)

Photo: Philip Freeman · CC0 · inaturalist — https://www.inaturalist.org/observations/47350087

## Machine access

`GET https://animalchecklist.com/api/v1/animals/brown-smooth-hound?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).