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Estuary glassfish (Ambassis marianus) — Ambassidae

Estuary glassfish

Ambassis marianus
Family: Ambassidae

The Estuary glassfish (Ambassis marianus) is a brackish-water fish of the family Ambassidae that grows up to 10 cm.

Length
10 cm
Water
Brackish
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
Oceania: Australia

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Description

The Estuary glassfish is a glassfish (Ambassidae) from shallow coastal, brackish and estuarine water of coastal and estuarine water of eastern Australia. The species has a deep, laterally compressed, almost transparent body through which the backbone and organs show, with large eyes. As a schooling fish it swims in large groups among roots and water plants and snaps at small zooplankton and insect larvae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Estuary glassfish?

The Estuary glassfish has a torpedo-shaped body and is mainly silver-grey.

Where does the Estuary glassfish live?

The Estuary glassfish lives in brackish water and is mostly found around open water. Oceania: Australia

How big does the Estuary glassfish get?

The Estuary glassfish grows to a maximum of about 10 cm. On average the species is around 6 cm.

Is the Estuary glassfish dangerous to humans?

No, the Estuary glassfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Estuary glassfish (Ambassis marianus) — Ambassidae — 2
iNaturalist ((c) Hiroya Kidoguchi, some rights reserved (CC BY-NC))
Estuary glassfish (Ambassis marianus) — Ambassidae — 3
Australian National Fish Collection, CSIRO (CC BY-NC 4.0) via GBIF
Estuary glassfish (Ambassis marianus) — Ambassidae — 4
iNaturalist ((c) Hiroya Kidoguchi, some rights reserved (CC BY-NC))
Estuary glassfish (Ambassis marianus) — Ambassidae — 5
iNaturalist ((c) Oskar King, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Estuary glassfish sourced
Scientific name
Ambassis marianus
Family
Ambassidae
Other names
Estuary perchlet; Glass perch; Mary perchlet; Ramsay's glassfish; Ramsay's perchlet; Yellow perchlet verified

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Average length (cm)
6.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Brackish sourced
Substrate
Open water sourced
Natural range
Oceania: Australia sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

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 verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Ambassis

More from the family Ambassidae

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