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Daisy midshipman (Porichthys margaritatus) — Batrachoididae

Daisy midshipman

Porichthys margaritatus
LC · Least Concern

The Daisy midshipman (Porichthys margaritatus) is a saltwater fish of the family Batrachoididae that grows up to 17 cm.

Length
17 cm
Water
Saltwater
Depth
4.0–137.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Eastern Pacific; offshore soft bottoms, spawns in shallow reef areas.
Edibility
Not eaten

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Description

The Pacific midshipman is a toadfish of the family Batrachoididae from the eastern Pacific. The species grows to about 17 cm and has a stocky body with a broad head and rows of pearly light-producing organs (photophores) along the underside, hence the name. It inhabits offshore soft bottoms and migrates to shallow reef areas in late spring to spawn, where the male guards the eggs and makes humming sounds with the swim bladder. As a bottom hunter it feeds on small fishes and crustaceans. Toadfishes have venomous spines on the gill covers and first dorsal fin; a sting gives a painful wound, so careful handling is advised.

Frequently asked questions

How do you recognise the Daisy midshipman?

The Daisy midshipman has an elongate, eel-like body, is mainly brown and shows a spots pattern. Rows of pearly photophores on the belly; venomous spines, and the male makes humming spawning sounds.

Where does the Daisy midshipman live?

The Daisy midshipman lives in the sea (marine waters) and is mostly found around sand or mud bottom. Eastern Pacific; offshore soft bottoms, spawns in shallow reef areas.

How big does the Daisy midshipman get?

The Daisy midshipman grows to a maximum of about 17 cm.

Is the Daisy midshipman dangerous to humans?

No, the Daisy midshipman is harmless to humans. The fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists.

Is the Daisy midshipman edible?

The Daisy midshipman is not usually eaten.

More photos

Daisy midshipman (Porichthys margaritatus) — Batrachoididae — 2
iNaturalist ((c) Daniel, some rights reserved (CC BY-NC))
Daisy midshipman (Porichthys margaritatus) — Batrachoididae — 3
iNaturalist ((c) Daniel, some rights reserved (CC BY-NC))
Daisy midshipman (Porichthys margaritatus) — Batrachoididae — 4
iNaturalist ((c) Daniel, some rights reserved (CC BY-NC))
Daisy midshipman (Porichthys margaritatus) — Batrachoididae — 5
iNaturalist ((c) Daniel, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Daisy midshipman verified
Scientific name
Porichthys margaritatus
Family
Batrachoididae
Other names
Pearlspot midshipman verified

Appearance

Size class
Medium verified
Max length (cm)
17.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Rounded inferred
Mouth position
Superior (upward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
4.0 verified
Max depth (m)
137.0 verified
Natural range
Eastern Pacific; offshore soft bottoms, spawns in shallow reef areas. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes and crustaceans sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Rows of pearly photophores on the belly; venomous spines, and the male makes humming spawning sounds. 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 fin spines are venomous and give a painful, burning puncture wound. Immerse the wound for 30-90 minutes in water as hot as can be tolerated (about 45 C) and seek medical care if pain or infection persists. sourced

Status & sources

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

Same genus Porichthys

More from the family Batrachoididae

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