Acarnus erithacus

de Laubenfels, 1927 · species

image placeholder — illustration coming later

Animalia/Porifera/Demospongiae/Poecilosclerida/Acarnidae/Acarnus

At a glance

Occurrence records291

Data sources9

Biological traits5

DNA specimens1

eDNA detections1

Sources9 archives

Databases and archives Acarnus erithacus's data was compiled from.

WikipediaWikimedia Foundation4 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility202 records↗

OBISOcean Biodiversity Information System89 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI1 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics1 specimens↗

LOTUSNatural Products (Wikidata)compounds↗

Open Tree of LifeOpenTreephylogeny backbone↗

Catalogue of LifeCOLtaxonomy↗

On this page6 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements1 literature sources5 traits

Chemical compositionLOTUS8 compounds

Occurrence & distributionGBIF · OBIS291 records

Environmental DNA1 datasets · 1 countries1 detections

DNA & barcodingBOLD1 specimens

01Narrative

Acarnus erithacus is a species of sponge of the genus Acarnus. It was described by de Laubenfels in 1927.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesSeaLifeBase

Size & morphology1

Body length4 cm

Habitat & environment2

Habitat saltwateryes

Habitat zonesessile

Other traits2

Depth max700 m

Depth min0 m

03Chemical composition8 compounds

Compounds documented for Acarnus erithacus across natural-product and food-composition databases — not just the ~150 nutrients on a classic label ("nutritional dark matter").

Compound class profile3 classes

Polyamines5

Cholestane steroids2

Ergostane steroids1

Documented compounds8 total

Tissue Source Quantified only

Compound	Amount	Source
24-Methylenecholesterol	present	LOTUS
Cholesterol	present	LOTUS
Cmnpd948	present	LOTUS
Cmnpd949	present	LOTUS
Desmosterol	present	LOTUS
N-(5-guanidinopentyl)-N-[3-(3-methylbut-2-eneamido)propyl]dodecanamide	present	LOTUS
N-[5-(diaminomethylideneamino)pentyl]-N-[3-(3-methylbut-2-enoylamino)propyl]dodec-5-enamide	present	LOTUS
N-[5-(diaminomethylideneamino)pentyl]-N-[3-(3-methylbut-2-enoylamino)propyl]tetradeca-5,8,11-trienamide	present	LOTUS

05DNA & barcoding1 specimens

A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Acarnus erithacus has left across the world's sequence archives.

At a glance

DNA specimens1

Marker genes1

eDNA detections1

Countries1

Marker genes sequenced

18S

ribosomal

08Occurrence & distribution

Record type291 records

Wild obs. + sensor77

Museum / vouchered207

Other7

Range

Area of Occupancy AOO460 km²

Depth

0–200 m sunlit47

200–1000 m twilight0

1–4 km midnight0

>4 km abyssal0

median 10.7 m · max 45 m · 47 records with depth

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy92% within 1 km

≤100 m 35≤1 km 25≤10 km 1>10 km 4

65 georeferenced · 12 without coordinates

Open the mapobservation + sensor77

Museum / Voucheredphysical evidence

Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.

Coordinate accuracy74% within 1 km

≤100 m 32≤1 km 76≤10 km 32>10 km 5

145 georeferenced · 62 without coordinates

Open the institutions mapphysical evidence207

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Holding institutions4 of 10 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
CASlocation not on record	69
Museo de Historia Natural, Universidad Autónoma de Baja California Surlocation not on record	17
Santa Barbara Museum of Natural Historylocation not on record	13
Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Universidad Nacional Autónoma de Méxicolocation not on record	9
Washington, US	8
Auckland, NZ	5
Los Angeles, US	2
WoRMS Editorial Boardlocation not on record	2
Florida Museum of Natural Historylocation not on record	1
	1

10 institutions · 127 of 207 vouchered records shown · 2 without an institution code

09Environmental DNA1 detections

Where the DNA of Acarnus erithacus was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.

Signal

Detections DNA found1

Studies independent surveys1

Countries1

Signal confidence: weakweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 1 detections have coordinates

Open the map1 country0

low intertidal crevice

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

Modelled climatemodelled

−15°Ctemperature across detection sites+40°C

Temperature median14.1 °C 14.1–14.1

Seasonal swing summer↔winter10.3 °C

Max temp (day)16.4 °C

Min temp (night)12.1 °C

Precipitation113 mm/mo

Air humidity68.7 %

Moisture balance-0.2 mm/mo

Vapour deficit501 Pa

Wind speed4.30 m/s

Cloud cover37.6 %

CHELSA 1981–2010, ~9 km grid, at location & month of 1 detection point · median with p10–p90 · reflects where sampling happened, not only the true niche

How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.

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