Butis butis (Hamilton, 1822)

Duckbill sleeper

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Eleotridae \| Butinae
Synonyms	Cheilodipterus butis, Eleotris butis, ... more
Common names	Crimson-tipped flathead gudgeon, Crimson-tipped gudgeon, Pointed head gudgeon, ... more

You can sponsor this page

Upload your photos and videos
| All pictures | Google image |

Picture by Hippocampus-Bildarchiv

Add your observation in Fish Watcher

This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Hoese, D.F. 1986. (Ref. 5493)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 15.0 cm TL male/unsexed; (Ref. 6802)

Environment

Demersal; amphidromous (Ref. 51243); freshwater; brackish; marine; pH range: 7.0 - 8.0; dH range: 9 - 19

Climate / Range

Tropical; 22°C - 28°C (Ref. 2060)

Indo-West Pacific: East Africa to Fiji (Ref. 6820).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8 - 9. Dark longitudinal lines on body; caudal fin black with light margin dorsally; pectoral base with 1-2 black spots (Ref. 5493).

Inhabits brackish mangrove estuaries and lower reaches of freshwater streams, usually on mud bottoms (Ref. 44894). Usually found in lagoons and estuaries, particularly where there is vegetation (Ref. 6028, 79840). Occurs frequently in mangrove swamps (Ref. 2847, 79840). Occasionally ascends rivers (Ref. 6028). Feeds mainly on small fishes and crustaceans (Ref. 6028, 79840). Marketed fresh (Ref. 12693).


IUCN Red List Status (Ref. 57073)	Threat to humans
Lower Risk: near threatened (LR/nt)	Harmless

Human uses
Fisheries: minor commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Identification keys \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

Download XML
Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5156

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (23 of 100)	Not marketed/unknown

Entered by Sa-a, Pascualita

Modified by Musschoot, Tobias

Back to Search

Fish Forum

Comments & Corrections

Sign our Guest Book