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Photos / Sounds

What

Chinook Salmon (Oncorhynchus tshawytscha)

Observer

dbarclay

Date

July 22, 2019

Description

About 4 inches long

Photos / Sounds

What

Widow Skimmer (Libellula luctuosa)

Observer

dbarclay

Date

August 8, 2016

Photos / Sounds

Observer

dbarclay

Date

June 12, 2019

Description

Alive in edge of water. 15 to 20mm

Photos / Sounds

What

Silty Hornsnail (Pleurocera canaliculata)

Observer

dbarclay

Date

June 12, 2019

Description

Dead on gravel bar.

Photos / Sounds

What

Painted Creekshell (Cambarunio taeniatus)

Observer

dbarclay

Date

June 12, 2019

Description

Dead on gravel bar.

Photos / Sounds

What

Cumberland Moccasinshell (Medionidus conradicus)

Observer

dbarclay

Date

June 12, 2019

Description

Several, dead on gravel bar. Smaller shell is a juvenile, still showing pattern. Larger, heavily eroded shell is a typical adult.

Photos / Sounds

What

Purple Lilliput (Toxolasma lividum)

Observer

dbarclay

Date

June 12, 2019

Description

Dead on gravel bar.

Photos / Sounds

What

Spike (Eurynia dilatata)

Observer

dbarclay

Date

June 12, 2019

Description

Dead on gravel bar. I don't know if this is a short, deformed E. dilatata, a dwarf E. crassidens, or something else. It appears gerontic, in any case. About 30mm long.

Photos / Sounds

What

Pink Heelsplitter (Potamilus alatus)

Observer

dbarclay

Date

June 12, 2019

Description

Dead on gravel bar

Photos / Sounds

What

Red-tailed Hawk (Buteo jamaicensis)

Observer

dbarclay

Date

December 14, 2018

Description

Big

Photos / Sounds

Observer

dbarclay

Date

May 23, 2003

Description

Dominant fasciolariid on the hard reef. This species is rare elsewhere, but is one of the most common carnivores on the hard reef, lower intertidal and shallow subtidal, around Kiritimati.

Photos / Sounds

Observer

dbarclay

Date

May 23, 2003

Description

Subtidal, mostly 10 to 15 meters deep. Rare.

Photos / Sounds

Observer

dbarclay

Date

May 23, 2003

Description

Subtidal, mostly 10 to 15 meters deep. Shells were generally encrusted, but when encrustations were removed the iridescent periostracum was visible when wet. Iridescence ranged from greenish silver to gold depending on lighting. This species was practically lost to science, since the locality was only "Pacific Islands," although it is not rare at scuba depth under coral slabs around Christmas Island, Kiribati. It is likely a Line Island endemic. Thanks to Bill Lyons for tracking down the original publications and ID. No thanks to the authors, on both the internet and in print, who took these photos and removed the copyright notes and incorrectly claim they represent specimens collected in the Andaman Islands, which they certainly do not.

Photos / Sounds

Observer

dbarclay

Date

May 20, 2003

Description

Shallow water on reef flat, mostly under slabs. Shells were generally encrusted, but when encrustations were removed the iridescent periostracum was visible when wet. Uncommon.

Photos / Sounds

Observer

dbarclay

Date

May 20, 2003

Description

Shallow water on reef flat, mostly under slabs. Shells were generally encrusted, but when encrustations were removed the iridescent periostracum was visible when wet. Iridescence still returns when shell is wet. Common reef species.

Photos / Sounds

What

Southern Rainbow (Villosa vibex)

Observer

dbarclay

Date

July 23, 2014

Description

Makes me wonder if there are multiple Villosa species in the Ohoopee, or if V. delumbis is just more variable than I realized.

Photos / Sounds

Observer

dbarclay

Date

July 23, 2014

Description

Glossy perio, much more so than the female V. delumbis shells.

Photos / Sounds

What

Eastern Creekshell (Villosa delumbis)

Observer

dbarclay

Date

July 23, 2014

Photos / Sounds

What

Ebonyshell (Reginaia ebenus)

Observer

dbarclay

Date

June 25, 2010

Description

Many dead shells on gravel bar with grass, most had apparently been dragged out by animals but very few of the thick-shelled species appeared to have been penetrated. Most appeared very recently dead, a few had tissue remnants, some were oxidized and had been dead quite a while. I suppose these pink nacred shells are Pleurobema sintoxia, although I have seen various authors refer to them by different names. The white ones may also be the same species, but there are differences in shape, shell thickness, periostracum, and degree of shell inflation. I need some verification on all of them.

This one is heaviest of all the shells I'm posting from the Black River. It's kind of heptagonal/angularly oval, white nacre but not as plain white as large R. ebenus, so I guess it's a Pleurobema. Whether it's P. sintoxia or something else, maybe one of you can tell me.

Photos / Sounds

What

Ebonyshell (Reginaia ebenus)

Observer

dbarclay

Date

June 25, 2010

Description

Many dead shells on gravel bar with grass, most had apparently been dragged out by animals but very few of the thick-shelled species appeared to have been penetrated. Most appeared very recently dead, a few had tissue remnants, some were oxidized and had been dead quite a while.

Although this species resembles the local Pleurobema species, I think this one is correctly ID'ed.

Photos / Sounds

What

Pigtoes and Clubshells (Genus Pleurobema)

Observer

dbarclay

Date

June 25, 2010

Description

Many dead shells on gravel bar with grass, most had apparently been dragged out by animals but very few of the thick-shelled species appeared to have been penetrated. Most appeared very recently dead, a few had tissue remnants, some were oxidized and had been dead quite a while. I suppose these pink nacred shells are Pleurobema sintoxia, although I have seen various authors refer to them by different names. The white ones may also be the same species, but there are differences in shape, shell thickness, periostracum, and degree of shell inflation. I need some verification on all of them.

This one was white inside, compressed, more delicate shell, showed broader growth lines on a lighter periostracum. Years ago I compared it to specimens of P. cordatum (occasionally synonymized with P. sintoxia), but by the present definition I don't think it occurs in Arkansas.

Photos / Sounds

What

Round Pigtoe (Pleurobema sintoxia)

Observer

dbarclay

Date

June 25, 2010

Description

Many dead shells on gravel bar with grass, most had apparently been dragged out by animals but very few of the thick-shelled species appeared to have been penetrated. Most appeared very recently dead, a few had tissue remnants, some were oxidized and had been dead quite a while. I suppose these pink nacred shells are Pleurobema sintoxia, although I have seen various authors refer to them by different names. The white ones may also be the same species, but there are differences in shape, shell thickness, periostracum, and degree of shell inflation. I need some verification on all of them.

This one was dark pink inside, inflated, and very heavy.

Photos / Sounds

What

Round Pigtoe (Pleurobema sintoxia)

Observer

dbarclay

Date

June 25, 2010

Description

Many dead shells on gravel bar with grass, most had apparently been dragged out by animals but very few of the thick-shelled species appeared to have been penetrated. Most appeared very recently dead, a few had tissue remnants, some were oxidized and had been dead quite a while. I suppose these pink nacred shells are Pleurobema sintoxia, although I have seen various authors refer to them by different names. The white ones may also be the same species, but there are differences in shape, shell thickness, periostracum, and degree of shell inflation. I need some verification on all of them.

This one was pale pink inside, inflated, and very heavy.

Photos / Sounds

What

Round Pigtoe (Pleurobema sintoxia)

Observer

dbarclay

Date

July 24, 2012

Description

Drought conditions, found dead on sand bar about 3 miles below Lake Hugo dam. This 22mm shell is fairly typical of juvenile Pleurobema species from Oklahoma, Arkansas and Texas. They can often resemble quadrulinids (Cyclonaias morton or C. pustulosa), but the flesh-colored tint to the nacre and the pseudocardinal teeth separate them. There are usually subtle differences in periostracum color also. The posterior pseudocardinal tooth is as tall as, and usually taller than, the anterior tooth. In C. mortoni and C. pustulosa, the anterior tooth is normally MUCH larger and taller than the posterior tooth. Although there is no barrier between the location where this shell was found and the Red River tributaries in Texas, Pleurobema sintoxia has never been recorded from Texas alive.

Photos / Sounds

What

Salina Mucket (Potamilus metnecktayi)

Observer

dbarclay

Date

April 16, 2012

Description

Long dead. The bottom was virtually covered with dead P. metnecktayi shells, but nothing that looked to have been alive in the last 30 years was found below Laredo.

Photos / Sounds

What

Tampico Pearly Mussel (Cyrtonaias tampicoensis)

Observer

dbarclay

Date

April 16, 2012

Description

Many dead and alive.

Photos / Sounds

What

Eastern Pondhorn (Uniomerus carolinianus)

Observer

dbarclay

Date

July 14, 2017 04:33 PM CDT

Photos / Sounds

What

Florida Sandshell (Lampsilis floridensis)

Observer

dbarclay

Date

July 14, 2017 04:30 PM CDT

Photos / Sounds

What

Cuban Tree Frog (Osteopilus septentrionalis)

Observer

dbarclay

Date

July 20, 2017 02:43 AM CDT

Photos / Sounds

What

Brown Anole (Anolis sagrei)

Observer

dbarclay

Date

July 19, 2017 08:38 PM CDT
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