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Rosenblatt's puffer (Sphoeroides rosenblatti) — Tetraodontidae

Rosenblatt's puffer

Sphoeroides rosenblatti
LC · Least Concern

The Rosenblatt's puffer (Sphoeroides rosenblatti) is a brackish-water fish of the family Tetraodontidae that grows up to 22 cm.

Length
21.9 cm
Water
Brackish
Depth
4.0–17.0 m
Diet
Omnivore
Behaviour
Solitary
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Pacific; shallow brackish estuaries and mangroves.
Edibility
Not eaten

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Description

Rosenblatt's puffer is a puffer (Tetraodontidae) from the eastern Pacific. The species has a stocky, pear-shaped body with a blunt snout and a speckled, brownish upper side. It inhabits shallow coastal waters to about 4 m deep in brackish estuaries, among mangroves and at river mouths. As an omnivore it nibbles on small invertebrates. Like other puffers it can inflate itself with water and its tissue contains the deadly poison tetrodotoxin; never eat this fish.

Frequently asked questions

How do you recognise the Rosenblatt's puffer?

The Rosenblatt's puffer has a torpedo-shaped body, is mainly brown and shows a spots pattern. Inflates itself with water; contains the deadly toxin tetrodotoxin; inhabits brackish estuaries.

Where does the Rosenblatt's puffer live?

The Rosenblatt's puffer lives in brackish water and is mostly found around sand or mud bottom. Eastern Pacific; shallow brackish estuaries and mangroves.

How big does the Rosenblatt's puffer get?

The Rosenblatt's puffer grows to a maximum of about 22 cm.

Is the Rosenblatt's puffer dangerous to humans?

No, the Rosenblatt's puffer is harmless to humans. The flesh, organs and skin can contain the deadly poison tetrodotoxin; never eat this fish. There is no antidote - if ingested, seek emergency medical care immediately.

Is the Rosenblatt's puffer edible?

The Rosenblatt's puffer is not usually eaten.

More photos

Rosenblatt's puffer (Sphoeroides rosenblatti) — Tetraodontidae — 2
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Rosenblatt's puffer (Sphoeroides rosenblatti) — Tetraodontidae — 3
Wikimedia Commons — Dick Culbert from Gibsons, B.C., Canada (CC BY 2.0)
Rosenblatt's puffer (Sphoeroides rosenblatti) — Tetraodontidae — 4
iNaturalist ((c) Ángel Argüelles, some rights reserved (CC BY-NC))
Rosenblatt's puffer (Sphoeroides rosenblatti) — Tetraodontidae — 5
iNaturalist ((c) Uma Mezzanotte, some rights reserved (CC BY))
Fin

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All data

Identification

English name
Rosenblatt's puffer sourced
Scientific name
Sphoeroides rosenblatti
Family
Tetraodontidae

Appearance

Size class
Medium verified
Max length (cm)
21.9 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
4.0 verified
Max depth (m)
17.0 verified
Natural range
Eastern Pacific; shallow brackish estuaries and mangroves. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Small invertebrates sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Inflates itself with water; contains the deadly toxin tetrodotoxin; inhabits brackish estuaries. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
The flesh, organs and skin can contain the deadly poison tetrodotoxin; never eat this fish. There is no antidote - if ingested, seek emergency medical care immediately. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Sphoeroides

More from the family Tetraodontidae

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