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Deep pugnose ponyfish (Secutor ruconius) — Leiognathidae

Deep pugnose ponyfish

Secutor ruconius
Family: Leiognathidae

The Deep pugnose ponyfish (Secutor ruconius) is a fish of the family Leiognathidae that grows up to 9 cm.

Length
8.5 cm
Diet
Carnivore
Behaviour
Large groups
Substrate
Open water
Danger
Harmless
Range
Indo-West Pacific; turbid coastal waters and estuaries.
Edibility
Rarely eaten

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Description

The deep pugnose ponyfish is a small ponyfish of the family Leiognathidae from the Indo-West Pacific. The species grows to only about 8 cm and has a deep, strongly laterally compressed, silvery body with a highly protrusible mouth that can be extended forward as a tube to suck up prey. Like other ponyfishes it carries luminous bacteria in an organ around the oesophagus, with which it can make its underside glow. It lives in schools in turbid coastal waters and estuaries and feeds on small plankton. The species is harmless to humans.

Frequently asked questions

How do you recognise the Deep pugnose ponyfish?

The Deep pugnose ponyfish is mainly silver-grey and shows a plain pattern. Highly protrusible tube mouth; luminous bacteria make the ventral line glow.

Where does the Deep pugnose ponyfish live?

The Deep pugnose ponyfish is mostly found around open water. Indo-West Pacific; turbid coastal waters and estuaries.

How big does the Deep pugnose ponyfish get?

The Deep pugnose ponyfish grows to a maximum of about 9 cm.

Is the Deep pugnose ponyfish dangerous to humans?

No, the Deep pugnose ponyfish is harmless to humans. None required: this species is harmless to humans.

Is the Deep pugnose ponyfish edible?

The Deep pugnose ponyfish is rarely eaten.

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All data

Identification

English name
Deep pugnose ponyfish sourced
Scientific name
Secutor ruconius
Family
Leiognathidae
Other names
Deep-bodied ponyfish; Ponyfish; Pugnose ponyfish; Deepbody ponyfish; Pignose ponyfish; Pig-nosed ponyfish; Pugnose soapy; Silver belly; Slender pony; Slipmouth; Tooth-pony

Appearance

Size class
Small verified
Max length (cm)
8.5 sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Substrate
Open water sourced
Natural range
Indo-West Pacific; turbid coastal waters and estuaries. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton sourced
Social behaviour
Large groups 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
Highly protrusible tube mouth; luminous bacteria make the ventral line glow. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Secutor

More from the family Leiognathidae

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