To celebrate #InvasiveSpeciesWeek - we will be highlighting a prolific invader every day this week! Today's organism? The solitary #tunicate - Ciona savignyi! #InvasiveSpecies #NISAW (1/4) Image
This #invasive tunicate is originally native to Japan with introduced populations first reported on the West Coast of North America in 1985. #InvasiveSpeciesWeek #NISAW (2/4) Image
Ciona savignyi is often found on our #FoulingProject panels in large abundance alongside C. robusta - as you can see in the picture! Its tunic is transparent & yellowish-green in color and soft & gelatinous to the touch. #InvasiveSpeciesWeek #NISAW (3/4) Image
Want to know a #FunFact about this invader? Like many solitary tunicates, Ciona savignyi is hermaphroditic - meaning it contains both eggs & sperm and can act as both the female & male! #InvasiveSpeciesWeek #NISAW To find out more about C. savignyi: invasions.si.edu/nemesis/ (4/4) Image

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More from @SERCinvasions

Sep 25, 2020
Eek! We've been so busy studying the two biggest estuaries in the US, we almost forgot about #EstuariesWeek
As part of the #FoulingProject we are collecting samples from marinas around both #ChesBay and #SFBay scientist sitting on a dock...scientist sitting on a dock...
We then take them back to the labs at @SmithsonianEnv and #SERCWest @EOS_Center and process the panels with a coarse identification of the invertebrates that settle on them and take vouchers and samples for DNA analysis.
#FoulingProject #ChesBay #SFBay scientists in the lab sitti...buckets containing bay wate...scientist at microscope loo...
Depending on location in the bay, the panels can look very different and contain different assemblages of organisms. #InvertebratesRule #FoulingProject #EstuariesWeek #ChesBay fouling panel with barnacle...fouling panel with encrusti...
Read 7 tweets
Jul 17, 2020
It's finally wildcard day for #SlugsVsFish #SlugsVsFishes!

One of the most amazing things about sea slugs is the diversity of morphology! Here's a thread of some the amazing shapes of nudibranchs our scientists have found in the field.

First up check out these colors! 😍 Bright blue nudibranch
This gorgeous green nudibranchs was photographed by Chela Zabin in the Phillipines. #SeaSlugSquad Green nudibranch with orang...
But what if you prefer stripes to one standard color? 🤔 A white and purple striped ...
Read 15 tweets
Jun 29, 2020
Please help us welcome our 2020 #intern class! Some of the class is virtual, focusing on coding and data analysis, while a few of our interns will be able to do limited socially distant #fieldwork.
First up is Rémy Barbiéro! Rémy is a rising senior at @Occidental, and will be working on the #ZombieCrabs Project. Rémy will help create a #CitizenScience project on @the_zooniverse to count parasitized crabs from Chesapeake Bay. Welcome! Intern Rémy Barbiéro in the...
Time to meet another of our amazing summer #interns

Welcome Tyler Kempton! Tyler is a local high school student who is working on using #R to prepare an analyze data from our #InvaderID project. He works with the @SmithsonianEnv Citizen Science department. Tyler stands on a rock by t...
Read 4 tweets
May 29, 2020
Nuestro proyecto #cienciaciudadana #InvaderID acaba de ser traducido al español! Nosotros colaboramos con muchos científicos hispanoparlantes en Suramérica y Europa, y estamos super emocionados de difundir nuestro amor por los invertebrados a estudiantes alrededor del mundo.
Nuestra excelente voluntaria Luz Futrell tradujo al español todas las instrucciones para el proyecto en línea. Estamos muy agradecidos por todo su arduo trabajo para aumentar el alcance de nuestro proyecto y...
...estamos asombrados por todo el maravilloso trabajo realizado por los voluntarios en esta investigación tan especial. View in Panama.
Read 4 tweets
May 29, 2020
Our #citizenscience project #InvaderID on @the_zooniverse has just been translated into Spanish! We collaborate with many Spanish-speaking scientists in South America and Europe, and we're excited to spread the invertebrate love to interested students around the world!
Our amazing volunteer, Luz Futrell, translated all the instructions for the online project into Spanish. We are so appreciative of her hard work to increase the reach of our project and are amazed by all the wonderful work done by volunteers on this special research.
To view the project in Spanish, follow the link to Invader ID below and look for a tab to switch languages at the top menu.

zooniverse.org/projects/serc/…
Read 4 tweets
May 12, 2020
#InvasionsLabPub Alert! @SmithsonianEnv scientists Brenda Soler-Figueroa led a paper on the characteristics of global port phytoplankton and their implications for current #BallastWater regulations @sciencedirect #Thread
ow.ly/2fHi50zE29S
1/4-Thirty-one major ports in the Northern Hemisphere over a wide range of latitudes and salinities were selected to evaluate: a) how natural communities compare to challenge requirements and b) the abundance of unregulated size fractions. #BallastWater #PlanktonSampling #Thread Map of port sampling locati...
2/4-Phytoplankton <10 μm comprised over 80% of total abundance and yet are unregulated. Some of the organisms in this size class pose serious threats to ecosystem, fisheries and human health. #BallastWater #PlanktonSampling #Thread Average and percent composi...
Read 5 tweets

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