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Aplodinotus grunniens in Guatemala
Freshwater drum

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Aplodinotus grunniens   Rafinesque, 1819
Family:	Sciaenidae (Drums or croakers)			picture (Apgru_u1.jpg) by The Native Fish Conservancy
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Freshwater drum
Max. size:	95.0 cm TL (male/unsexed; Ref. 40637); max. published weight: 24.7 kg (Ref. 4699); max. reported age: 13 years
Environment:	demersal ; depth range - 30 m
Climate:	subtropical; 32.4000015258789°C; 58°N - 27°N
Global Importance:	fisheries: minor commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (tmax=10)
Distribution:	North and Central America: East of Rocky Mountains in St. Lawrence-Great Lakes, Hudson Bay and Mississippi River basins from Quebec to Manitoba and Saskatchewan in Canada and south to the Gulf of Mexico in USA; and Gulf Coast drainages from Mobile Bay in Georgia and Alabama through east Mexico to Rio Usumacinta system in Guatemala.
Biology:	Occur in bottoms of medium to large rivers and lakes (Ref. 557, 10294). Adults feed on aquatic insect immatures such as mayflies (Hexagenia), amphipods, fish (especially shad and young drum), crayfish and mollusks. Larval stages of drum consume larvae of other fishes, while young fishes utilize zooplankton (Ref. 10294). Known to produce sound. L-shaped otoliths are collected as 'lucky stones' (Ref. 557). Utilized fresh and can be pan-fried and broiled (Ref. 9988)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Page, L.M. and B.M. Burr. 1991. (Ref. 5723)
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Guatemala country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:  Page, L.M. and B.M. Burr, 1991
Salinity:	freshwater
Abundance:	common (usually seen)		Ref:  Page, L.M. and B.M. Burr, 1991
Uses:	no uses
Comments:	Known from the Usumacinta River (Ref. 36888).
Country Information:	www.cia.gov/cia/publications/factbook/geos/gt.html
Occurrences:	Occurrences    Point map
Main Ref:	Casatti, L., 2003
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	Alien/Invasive species database | BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | PubMed | Recipes | Scirus | Tree of Life | Zoological Record
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Torres, Armi G.	Entered:  Torres, Armi G.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07