From so simple a beginning: 2011

Last updated over 1 year ago

The Collection & Research Division at the Field Museum of Natural History offers numerous internship opportunities for undergraduate students every summer. Some of the undergraduates are supported through Field Museum's NSF-funded REU site grant (Research Experiences of Undergraduates, DEB 08-49958). All summer graduate interns conduct research under the mentorship of a Field Museum faculty member. Last indexed February 14, 2012

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Image of Tivela stultorum
Image of Tivela stultorum
Image of Tivela stultorum
Image of Tivela stultorum
Benefits
Description of Tivela stultorum
Currently, the primary human use of Tivela stultorum is as a...
Trophic Strategy
Description of Tivela stultorum
Tivela stultorum feeds by filtering ocean water for both organic and...
Reproduction
Description of Tivela stultorum
Although the species was initially believed to be hermaphroditic, it is...
Morphology
Description of Tivela stultorum
Shell Morphology: The valves of Tivela stultorum are very large and...
Look Alikes
Description of Tivela stultorum
Due to its large size and sub-tropical distribution, Tivela stultorum is...
Life Expectancy
Description of Tivela stultorum
The average life span of Tivela stultorum is not definitively known....
Life Cycle
Description of Tivela stultorum
No larval forms of Tivela stultorum were ever observed in the...
Habitat
Description of Tivela stultorum
Tivela stultorum is typically found in the intertidal zone on relatively...
Genetics
Description of Tivela stultorum
To date, only a very limited portion of the Tivela stultorum...
Evolution
Description of Tivela stultorum
There are no published studies exploring the phylogenetic relationships within the...
General Ecology
Description of Tivela stultorum
Tivela stultorum is subject to predation from a variety of species...
Distribution
Description of Tivela stultorum
Tivela stultorum is an endemic species native to the Pacific coast...
Dispersal
Description of Tivela stultorum
Tivela stultorum is not known to move once it has settled...
Diagnostic Description
Description of Tivela stultorum
Tivela stultorum has several defining features which can be used to...
Conservation Status
Description of Tivela stultorum
Rules and regulations governing the fishing of Tivela stultorum in California...
Behavior
Description of Tivela stultorum
Tivela stultorum is a benthic species that spends most of its...
Brief Summary
Description of Tivela stultorum
Tivela stultorum is a species of clam native to the Pacific...
Image of Tivela stultorum
Image of Tivela stultorum
Animalia > Veneridae
Tivela stultorum
Pismo Clam
Animalia > Ostreidae
Crassostrea gigas
Pacific Giant Oyster
Benefits
Description of Crassostrea gigas
The species is extensively commercially fished and grown in the aquaculture...
Trophic Strategy
Description of Crassostrea gigas
Crassostrea gigas are filter-feeding, heterotrophic consumers. They are omnivores, feeding on...
Reproduction
Description of Crassostrea gigas
When water temperature reaches about 20°C and salinity levels are between...
Morphology
Description of Crassostrea gigas
Shell: The species has two solid valves. The left valve is...
Look Alikes
Description of Crassostrea gigas
The species is similar to Crassostrea virginica, the difference being that...
Life Expectancy
Description of Crassostrea gigas
Individuals can live for up to 40 years (Pauley et al.,...
Life Cycle
Description of Crassostrea gigas
Life History: Fertilized eggs develop into free-swimming larvae. After a period...
Habitat
Description of Crassostrea gigas
Crassostrea gigas are found in the sheltered water of estuaries all...
Genetics
Description of Crassostrea gigas
The species is diploid, but triploidy occurs naturally in a low...
Evolution
Description of Crassostrea gigas
The organism’s family, Ostreidae, has been present since the Triassic. Currently...
General Ecology
Description of Crassostrea gigas
Known predators include: Japanese oyster drill Ocinebra japonica, predatory flatworm Pseudostylochus...
Distribution
Description of Crassostrea gigas
Crassostrea gigas is native to the waters of the northwestern Pacific...
Dispersal
Description of Crassostrea gigas
Adult Crassostrea gigas are completely sessile. The only time they are...
Diagnostic Description
Description of Crassostrea gigas
Variable shell shape, sculpted with radial ribs and commarginal frills. Normally...
Conservation Status
Description of Crassostrea gigas
Crassostrea gigas is considered an invasive species. Conservation is not a...
Behavior
Description of Crassostrea gigas
Larval: In the free swimming larval stage, the animal develops a...
Brief Summary
Description of Crassostrea gigas
Crassostrea gigas (most commonly known as the Pacific Oyster) is native...
Benefits
Description of Donax trunculus
D. trunculus accumulates trace amounts of metals such as Cd, Cu,...
Trophic Strategy
Description of Donax trunculus
D. trunculus is a suspension feeder that eats seston, a mixture...
Reproduction
Description of Donax trunculus
The sex ratio of D. trunculus is 1:1. It reaches sexual...
Morphology
Description of Donax trunculus
The shell of D. trunculus is wedge-shaped, equivalve, no longer than...
Molecular Biology
Description of Donax trunculus
Look Alikes
Description of Donax trunculus
D. vittatus is easily mistaken for D. trunculus, but the latter...
Life Expectancy
Description of Donax trunculus
D. trunculus has an observed maximum lifespan of 6 years, but...
Life Cycle
Description of Donax trunculus
D. trunculus begins as a larva during the recruitment period of...
Habitat
Description of Donax trunculus
Occurs near the shore as well as between 0 and 2...
Genetics
Description of Donax trunculus
A 18S RNA fragment of D. trunculus was sequenced as part...
Distribution
Description of Donax trunculus
In Great Britain D. trunculus is found on the southern coast...

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From so simple a beginning: 2011

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