Sharks and Rays

Ray-finned fishes

Eels and Morays

Halosaurs and deep-sea Spiny eels

Jellynose fishes

Lightfishes and Dragonfishes

Live bearers, Killifishes and Rivulines

Perch-like fish

Antarctic dragonfishes

Asian leaffishes

Asian seaperches

Asiatic glassfishes

Australian salmon

Bagless glassfishes

Barbeled grunters

Barbled plunderfishes

Bigeyes or catalufas

Butterflyfishes

Cales and weed-whitings

Catadromous icefishes

Chameleonfishes

Climbing gouramies

Collared wrigglers

Combtooth blennies

Crocodile icefishes

Crocodile toothfishes

Deep-sea scalyfins

Deepwater cardinalfishes

Drums or croakers

Emperors or scavengers

False scorpionfishes

False trevallies

Freshwater sleepers

Freshwater tripletails

Grunters or tigerperches

Jacks and pompanos

Kissing gourami

Lanternbellies, temperate ocean-basses

Long-finned pike

Longfin escolars

Mackerels, tunas, bonitos

Moonyfishes or fingerfishes

Oceanic basslets

Patagonian blennies

Pike-, tube- and flagblennies

Sand stargazers

Sea basses: groupers and fairy basslets

Slimys, slipmouths or ponyfishes

Slope dragonets

Snake mackerels

Snaketooth fishes

Southern basses

Southern sandfishes

Spadefishes, batfishes and scats

Spiny plunderfishes

Splendid perches

Surgeonfishes, tangs, unicornfishes

Temperate basses

Temperate perches

Threadfin breams, Whiptail breams

Threefin blennies

Pikes and Mudminnows

Pipefishes and Seahorses

Pricklefishes, Bigscales and Gibberfishes

Puffers and Filefishes

Pygmy sunfishes

Scorpionfishes and Flatheads

Sticklebacks and Seamoths

Sturgeons and Paddlefishes

Swallowers and Gulpers

Tarpons and Tenpounders

Trout-perches, Pirate perches and Cavefish

Velifers, Tube-eyes and Ribbonfishes

Lobe-finned fishes

Setting up your tank

DIY Fish Tank Stand

250L community aquarium

John's snapper (Lutjanus johnii) fish species and information / pictures of John's snapper - Lutjanus johnii

John's snapper (Lutjanus johnii) fish species information

Scientific Name
Lutjanus johnii

Common Name
John's snapper

Biology
Adults probably frequent coral reef areas; juveniles found in mangrove estuaries (Ref. 30573). Feeds on fishes and benthic invertebrates including shrimps, crabs and cephalopods. In Hong Kong live fish markets (Ref. 27253).

Classification

Classified By

Bloch, 1792

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Snappers (Lutjanidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: East Africa to Fiji, north to the Ryukyu Islands, south to Australia.

Range

31°N - 23°S, 37°E - 174°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

80 m

Zone

reef-associated

Environment

Marine; brackish; reef-associated; oceanodromous (Ref. 51243); depth range ? - 80 m (Ref. 30573)

Trophic Level

4.18 s.e. 0.73 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

97.0 cm

Common Length

50.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial; aquaculture: commercial; gamefish: yes

Vulnerability

High vulnerability (60 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13-0.38)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated