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*Chromis vanderbilti* is a valid, current scientific name for the species.
Answer: False
Explanation: The scientific name *Chromis vanderbilti* is listed as a synonym for *Pycnochromis vanderbilti*, indicating it is not the valid, current scientific name.
The full scientific classification includes Kingdom Animalia, Phylum Chordata, Class Actinopterygii, Order Blenniiformes, and Family Pomacentridae.
Answer: True
Explanation: The provided scientific classification for *Pycnochromis vanderbilti* includes Kingdom Animalia, Phylum Chordata, Class Actinopterygii, Order Blenniiformes, and Family Pomacentridae.
The article notes that *Pycnochromis vanderbilti* was first classified under the genus *Pomacentrus*.
Answer: False
Explanation: The article notes that *Pycnochromis vanderbilti* was first classified under the genus *Chromis* (as *Chromis vanderbilti*), not *Pomacentrus*.
The species is currently classified under the genus *Chromis*.
Answer: False
Explanation: The species is currently classified under the genus *Pycnochromis*. *Chromis vanderbilti* is listed as a synonym.
The genus *Pycnochromis* is part of the order Perciformes.
Answer: False
Explanation: The genus *Pycnochromis* belongs to the order Blenniiformes, not Perciformes, as indicated in the classification hierarchy.
What is the scientific name of Vanderbilt's chromis?
Answer: Pycnochromis vanderbilti
Explanation: The scientific nomenclature for Vanderbilt's chromis is *Pycnochromis vanderbilti*, as established in current taxonomic databases.
What is a previously used scientific name (synonym) for *Pycnochromis vanderbilti*?
Answer: Chromis vanderbilti
Explanation: A previously used scientific name (synonym) for *Pycnochromis vanderbilti* is *Chromis vanderbilti*.
To which family does the genus *Pycnochromis* belong?
Answer: Pomacentridae
Explanation: The genus *Pycnochromis* belongs to the family Pomacentridae.
Which of the following is NOT part of the scientific classification hierarchy provided for *Pycnochromis vanderbilti*?
Answer: Order Perciformes
Explanation: The provided scientific classification hierarchy for *Pycnochromis vanderbilti* includes Kingdom Animalia, Phylum Chordata, Class Actinopterygii, Order Blenniiformes, and Family Pomacentridae. Order Perciformes is not listed.
Which of the following taxonomic ranks is INCORRECTLY listed in the source for *Pycnochromis vanderbilti*?
Answer: Class: Reptilia
Explanation: The taxonomic rank of Class: Reptilia is incorrectly listed in the source for *Pycnochromis vanderbilti*; the correct class is Actinopterygii.
Which of the following is true about the relationship between *Pycnochromis vanderbilti* and *Chromis vanderbilti*?
Answer: Chromis vanderbilti was a previously used name for the species, now classified under Pycnochromis.
Explanation: The relationship between *Pycnochromis vanderbilti* and *Chromis vanderbilti* is that *Chromis vanderbilti* was a previously used scientific name (synonym) for this species, which is now classified under the genus *Pycnochromis*.
The taxonomic rank of Actinopterygii represents which group?
Answer: Ray-finned fishes
Explanation: The taxonomic rank of Actinopterygii represents the group known as ray-finned fishes.
The scientific name *Pycnochromis vanderbilti* honors a famous marine biologist known for his work in the Pacific.
Answer: False
Explanation: While the specific epithet 'vanderbilti' honors George Washington Vanderbilt III, the provided information does not establish him as a famous marine biologist primarily known for Pacific work; rather, it highlights his contributions to exploration and ichthyological collections.
Henry Weed Fowler first described *Pycnochromis vanderbilti* in 1941.
Answer: True
Explanation: Henry Weed Fowler is indeed credited with the original description of *Pycnochromis vanderbilti*, and the year of this description was 1941.
The specific name 'vanderbilti' was given because George Washington Vanderbilt III discovered the species during a deep-sea expedition.
Answer: False
Explanation: The specific name 'vanderbilti' honors George Washington Vanderbilt III for his contributions, including organizing the expedition that collected the type specimen, not solely for discovering the species during a deep-sea expedition.
George Washington Vanderbilt III was honored because he funded the research that led to the discovery of the Great Barrier Reef.
Answer: False
Explanation: George Washington Vanderbilt III was honored for his contributions to ichthyology and organizing the expedition that collected the type specimen, not for funding research on the Great Barrier Reef.
The type specimen for *Pycnochromis vanderbilti* was collected in the year 1941.
Answer: False
Explanation: The type specimen for *Pycnochromis vanderbilti* was collected in 1940, not 1941. Henry Weed Fowler described it in 1941.
Henry Weed Fowler acknowledged George Washington Vanderbilt III's contribution by naming the species after his yacht.
Answer: False
Explanation: Henry Weed Fowler named the species 'vanderbilti' to honor George Washington Vanderbilt III for his contributions to ichthyology and the development of fish collections, not specifically after his yacht.
George Washington Vanderbilt III lived from 1914 to 1961 and was honored for his contributions to ichthyology.
Answer: True
Explanation: George Washington Vanderbilt III, who lived from 1914 to 1961, was honored for his contributions to ichthyology, particularly related to the collection and documentation of fish species.
Who is honored by the specific epithet 'vanderbilti' in the scientific name?
Answer: George Washington Vanderbilt III
Explanation: The specific epithet 'vanderbilti' honors George Washington Vanderbilt III for his contributions to ichthyology and exploration.
Henry Weed Fowler is credited with the original description of *Pycnochromis vanderbilti* in which year?
Answer: 1941
Explanation: Henry Weed Fowler is credited with the original description of *Pycnochromis vanderbilti* in the year 1941.
What event led to George Washington Vanderbilt III being honored with the species name?
Answer: He organized an expedition to Oahu where the type specimen was collected.
Explanation: George Washington Vanderbilt III was honored with the species name because he organized the expedition to Oahu in 1940, during which the type specimen was collected.
The binomial name *Pycnochromis vanderbilti* was given by which describer?
Answer: Henry Weed Fowler
Explanation: The binomial name *Pycnochromis vanderbilti* was given by its describer, Henry Weed Fowler.
The type specimen for *Pycnochromis vanderbilti* was collected in:
Answer: Oahu
Explanation: The type specimen for *Pycnochromis vanderbilti* was collected in Oahu.
The collection of the 'type' specimen in Oahu in 1940 signifies:
Answer: The location and time of initial formal scientific documentation.
Explanation: The collection of the type specimen in Oahu in 1940 signifies the location and time of the initial formal scientific documentation and description of the species.
How is the specific name *vanderbilti* related to George Washington Vanderbilt III's contributions?
Answer: It recognizes his role in organizing the expedition that collected the type specimen and developing the fish collection.
Explanation: The specific name *vanderbilti* is related to George Washington Vanderbilt III's contributions as it recognizes his role in organizing the expedition that collected the type specimen and his development of the fish collection at the Academy of Natural Sciences of Philadelphia.
What does the citation 'Fowler, 1941' signify in the context of *Pycnochromis vanderbilti*?
Answer: The year Henry Weed Fowler first described and named the species.
Explanation: The citation 'Fowler, 1941' signifies that Henry Weed Fowler first described and named the species *Pycnochromis vanderbilti* in that year.
*Pycnochromis vanderbilti* is exclusively found in the Atlantic Ocean.
Answer: False
Explanation: The native range of *Pycnochromis vanderbilti* includes both the Indian Ocean and the Pacific Ocean, contradicting the assertion that it is exclusively found in the Atlantic.
The image caption mentions the species was photographed in the Atlantic Ocean.
Answer: False
Explanation: The image caption mentions the species was photographed in Oqea Levu, Fiji, which is located in the Pacific Ocean, not the Atlantic.
Which two major oceanic regions are listed as the native habitat for *Pycnochromis vanderbilti*?
Answer: Indian Ocean and Pacific Ocean
Explanation: The native habitat for *Pycnochromis vanderbilti* is listed as the Indian Ocean and the Pacific Ocean.
The image caption identifies the fish as 'Blackfin Chromis' and notes its location in:
Answer: Oqea Levu, Fiji
Explanation: The image caption identifies the fish as 'Blackfin Chromis' and notes its location as Oqea Levu, Fiji, which is within the Pacific Ocean.
The conservation status of *Pycnochromis vanderbilti* is 'Critically Endangered'.
Answer: False
Explanation: The conservation status of *Pycnochromis vanderbilti*, according to the IUCN 3.1 assessment, is 'Least Concern', not 'Critically Endangered'.
What was the conservation status assigned to *Pycnochromis vanderbilti* according to the IUCN 3.1 assessment?
Answer: Least Concern
Explanation: According to the IUCN 3.1 assessment, the conservation status assigned to *Pycnochromis vanderbilti* is 'Least Concern'.
The 'Least Concern' conservation status implies that *Pycnochromis vanderbilti*:
Answer: Is not currently threatened with extinction and is likely stable.
Explanation: The 'Least Concern' conservation status, according to the IUCN 3.1 assessment, implies that *Pycnochromis vanderbilti* is not currently threatened with extinction and its populations are likely stable.
The 'Taxon identifiers' section lists unique codes for databases like Wikidata and GBIF.
Answer: True
Explanation: The 'Taxon identifiers' section of the article indeed lists unique codes for various biological databases, including Wikidata and GBIF, facilitating access to species information.
The 'stub' classification implies the article is a comprehensive and complete entry for the species.
Answer: False
Explanation: A 'stub' classification indicates that an article is a brief, incomplete entry requiring further expansion, rather than a comprehensive and complete one.
The FishBase reference provides a summary of scientific information about the species.
Answer: True
Explanation: The FishBase reference (Froese & Pauly, June 2022) serves as a comprehensive database entry providing a summary of scientific information about the species *Pycnochromis vanderbilti*.
The IUCN Red List reference provides the DOI for the species' conservation assessment.
Answer: True
Explanation: The IUCN Red List reference (Allen et al., 2022) provides the DOI for the species' conservation assessment, confirming its 'Least Concern' status.
The WoRMS identifier links to the species' record in the World Register of Marine Species.
Answer: True
Explanation: The WoRMS identifier links to the species' official record in the World Register of Marine Species, a key registry for marine organisms.
Additional photographs of the species are available via the Sealife Collection website.
Answer: True
Explanation: Additional photographs of the species are indeed available via the Sealife Collection website, as listed in the external links.
What does the 'stub' classification at the end of the article signify?
Answer: The article is a brief, incomplete entry needing expansion.
Explanation: The 'stub' classification at the end of the article signifies that it is a brief, incomplete entry requiring further expansion.
What does the presence of multiple taxon identifiers (like Wikidata, GBIF, WoRMS) suggest about *Pycnochromis vanderbilti*?
Answer: It is a well-documented species recognized across multiple platforms.
Explanation: The presence of multiple taxon identifiers (e.g., Wikidata, GBIF, WoRMS) suggests that *Pycnochromis vanderbilti* is a well-documented species recognized across numerous global biodiversity information platforms.